Fix fedora build failure
diff --git a/Source/GmmLib/inc/External/Common/GmmInfo.h b/Source/GmmLib/inc/External/Common/GmmInfo.h
index da44aae..95e3aa9 100644
--- a/Source/GmmLib/inc/External/Common/GmmInfo.h
+++ b/Source/GmmLib/inc/External/Common/GmmInfo.h
@@ -627,8 +627,8 @@
GMM_ADAPTER_INFO * GetAdapterNode(ADAPTER_BDF sBdf); // Replacement for GetAdapterIndex, now get adapter node from the linked list
// Mutexes which protect the below thread unsafe functions
- GMM_STATUS LockMAContextSyncMutex();
- GMM_STATUS UnLockMAContextSyncMutex();
+ GMM_STATUS GMM_STDCALL LockMAContextSyncMutex();
+ GMM_STATUS GMM_STDCALL UnLockMAContextSyncMutex();
// thread unsafe functions; these must be protected with LockMAContextSyncMutex
GMM_ADAPTER_INFO * GetAdapterNodeUnlocked(ADAPTER_BDF sBdf);