Don’t assign to self.

src/asm/globlex.c

@@ -225,7 +225,6 @@ PutUniqueArg(char *src, ULONG size)
 {
 	char *s;
 
-	src = src;
 	yyskipbytes(size);
 	if ((s = sym_FindMacroArg(-1)) != NULL) {
 		yyunputstr(s);

src/asm/symbol.c

@@ -37,7 +37,6 @@ Callback_NARG(struct sSymbol * sym)
 {
 	ULONG i = 0;
 
-	sym = sym;
 	while (currentmacroargs[i] && i < MAXMACROARGS)
 		i += 1;