Avoid always-true and signed/unsigned comparisons.

Make empty while loops a little more obvious with a {} suffix.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6019 8ced0084-cf51-0410-be5f-012b33b47a6e

Externals/WiiUse/Src/io_osx.m

@@ -56,7 +56,7 @@ volatile int reader, writer, outstanding, watermark;
 
 @interface SearchBT: NSObject {
 @public
-	int maxDevices;
+	unsigned int maxDevices;
 }
 @end