More cleanup


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@202 a1c6a512-1295-4272-9138-f99709370657
diff --git a/gdb/Makefile b/gdb/Makefile
index f61088e..e4a3154 100644
--- a/gdb/Makefile
+++ b/gdb/Makefile
@@ -14,7 +14,7 @@
 	sh-elf-as -o $@ $<
 
 .c.o:
-	sh-elf-gcc -O -I../firmware/drivers -m1 -Wall -c -o $@ $<
+	sh-elf-gcc -O -I../firmware/drivers -m1 -Wall -Wstrict-prototypes -c -o $@ $<
 
 $(TARGET).out: $(TARGET).elf
 	sh-elf-objcopy -O binary $(TARGET).elf $(TARGET).out