_MSC_VER fix

include/enet/protocol.h

@@ -54,7 +54,7 @@ typedef enum _ENetProtocolFlag
    ENET_PROTOCOL_HEADER_SESSION_SHIFT   = 12
 } ENetProtocolFlag;
 
-#ifdef _MSC_VER_
+#ifdef _MSC_VER
 #pragma pack(push, 1)
 #define ENET_PACKED
 #elif defined(__GNUC__) || defined(__clang__)
@@ -191,7 +191,7 @@ typedef union _ENetProtocol
    ENetProtocolThrottleConfigure throttleConfigure;
 } ENET_PACKED ENetProtocol;
 
-#ifdef _MSC_VER_
+#ifdef _MSC_VER
 #pragma pack(pop)
 #endif