Bug 5094 - Code cleanup, patch by Zack Middleton and DevHC. Fixes unused-but-set gcc warnings

code/qcommon/common.c

@@ -930,10 +930,11 @@ Z_TagMalloc
 */
 #ifdef ZONE_DEBUG
 void *Z_TagMallocDebug( int size, int tag, char *label, char *file, int line ) {
+	int		allocSize;
 #else
 void *Z_TagMalloc( int size, int tag ) {
 #endif
-	int		extra, allocSize;
+	int		extra;
 	memblock_t	*start, *rover, *new, *base;
 	memzone_t *zone;
 
@@ -948,7 +949,9 @@ void *Z_TagMalloc( int size, int tag ) {
 		zone = mainzone;
 	}
 
+#ifdef ZONE_DEBUG
 	allocSize = size;
+#endif
 	//
 	// scan through the block list looking for the first free block
 	// of sufficient size
@@ -1087,7 +1090,10 @@ void Z_LogZoneHeap( memzone_t *zone, char *name ) {
 
 	if (!logfile || !FS_Initialized())
 		return;
-	size = allocSize = numBlocks = 0;
+	size = numBlocks = 0;
+#ifdef ZONE_DEBUG
+	allocSize = 0;
+#endif
 	Com_sprintf(buf, sizeof(buf), "\r\n================\r\n%s log\r\n================\r\n", name);
 	FS_Write(buf, strlen(buf), logfile);
 	for (block = zone->blocklist.next ; block->next != &zone->blocklist; block = block->next) {
@@ -3105,7 +3111,6 @@ void Com_Frame( void ) {
 	else
 		minMsec = 1;
 
-	timeVal = 0;
 	do
 	{
 		if(com_sv_running->integer)