fix header consistency

Maximilien Siavelis

2018-01-07 91dda1bb3c6b41d1aa142affed77758e6022d92c

 src/library/os/os.h

@@ -73,6 +73,8 @@
VIRTUALIZATION getVirtualization();
void os_initialize();

FUNCTION_RETURN verifySignature(const char* stringToVerify, const char* signatureB64);

#ifdef __cplusplus
}
#endif