server: spawn mp5 with full ammo only in multiplayer.

dlls/mp5.cpp

@@ -54,6 +54,13 @@ void CMP5::Spawn()
 
 	m_iDefaultAmmo = MP5_DEFAULT_GIVE;
 
+#if CLIENT_DLL
+	if( bIsMultiplayer() )
+#else
+	if( g_pGameRules->IsMultiplayer() )
+#endif
+		m_iDefaultAmmo = MP5_DEFAULT_GIVE_MP;
+
 	FallInit();// get ready to fall down.
 }
 

dlls/weapons.h

@@ -136,7 +136,8 @@ public:
 // the default amount of ammo that comes with each gun when it spawns
 #define GLOCK_DEFAULT_GIVE			17
 #define PYTHON_DEFAULT_GIVE			6
-#define MP5_DEFAULT_GIVE			50
+#define MP5_DEFAULT_GIVE			25
+#define MP5_DEFAULT_GIVE_MP			MP5_MAX_CLIP
 #define MP5_M203_DEFAULT_GIVE		0
 #define SHOTGUN_DEFAULT_GIVE		12
 #define CROSSBOW_DEFAULT_GIVE		5