Fixed warning.

src/game/intro.cpp

@@ -239,7 +239,7 @@ local void SplitTextIntoLines(const char* text,int w,TextLines** lines)
 		(s1[0]=='\r' && s1[1]=='\n') ) {
 		x1=s1+1;
 		x2=s1+2;
-		while( *x1++ = *x2++ ) {
+		while( (*x1++ = *x2++) ) {
 		}
 	    }
 	    *s1++='\n';

src/sound/cdda.cpp

@@ -81,10 +81,10 @@ local const SampleType CDStreamSampleType = {
 **	@return		Returns the loaded sample.
 **
 */
-global Sample* LoadCD(const char* name, int flags)
+global Sample* LoadCD(const char* name __attribute__((unused)),
+	int flags __attribute__((unused)))
 {
-    Sample* sample = NULL;
-    int i;
+    Sample* sample;
 
     sample = malloc(sizeof(*sample));
     sample->Channels = 2;