Merge branch 'gf/win32-pthread-cond-init' into seen

Emulation code clean-up.

* gf/win32-pthread-cond-init:
  win32: pthread_cond_init should return a value

Author: gitster

compat/win32/pthread.h

@@ -34,7 +34,7 @@ typedef int pthread_mutexattr_t;
 
 #define pthread_cond_t CONDITION_VARIABLE
 
-#define pthread_cond_init(a,b) InitializeConditionVariable((a))
+#define pthread_cond_init(a,b) return_0((InitializeConditionVariable((a)), 0))
 #define pthread_cond_destroy(a) do {} while (0)
 #define pthread_cond_wait(a,b) return_0(SleepConditionVariableCS((a), (b), INFINITE))
 #define pthread_cond_signal WakeConditionVariable