try importC on macOS, get this error

[d007]

try with lastest ldc:

```sh
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h(137): Error: found `_close` when expecting `)`
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h(137): Error: `;` or `,` expected
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h(138): Error: found `_read` when expecting `)`
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h(138): Error: `;` or `,` expected
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h(139): Error: found `_seek` when expecting `)`
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h(139): Error: `;` or `,` expected
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h(140): Error: found `_write` when expecting `)`
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/_stdio.h(140): Error: `;` or `,` expected
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h(153): Error: missing comma or semicolon after declaration of `fopen`, found `__asm` instead
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h(157): Error: missing comma or semicolon after declaration of `fputs`, found `__asm` instead
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h(160): Error: missing comma or semicolon after declaration of `freopen`, found `__asm` instead
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h(165): Error: missing comma or semicolon after declaration of `fwrite`, found `__asm` instead
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h(227): Error: missing comma or semicolon after declaration of `fdopen`, found `__asm` instead
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h(244): Error: missing comma or semicolon after declaration of `popen`, found `__asm` instead
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/stdio.h(314): Error: missing comma or semicolon after declaration of `tempnam`, found `__asm` instead
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/sys/resource.h(567): Error: missing comma or semicolon after declaration of `getrlimit`, found `__asm` instead
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/sys/resource.h(573): Error: missing comma or semicolon after declaration of `setrlimit`, found `__asm` instead
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/sys/wait.h(248): Error: missing comma or semicolon after declaration of `wait`, found `__asm` instead
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/sys/wait.h(249): Error: missing comma or semicolon after declaration of `waitpid`, found `__asm` instead
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/sys/wait.h(251): Error: missing comma or semicolon after declaration of `waitid`, found `__asm` instead
```