drop some useless return statements

code/qcommon/common.c

@@ -1411,8 +1411,6 @@ void Com_InitSmallZoneMemory( void ) {
 		Com_Error( ERR_FATAL, "Small zone data failed to allocate %1.1f megs", (float)s_smallZoneTotal / (1024*1024) );
 	}
 	Z_ClearZone( smallzone, s_smallZoneTotal );
-	
-	return;
 }
 
 void Com_InitZoneMemory( void ) {