Change to assertions to get Xcode 4 to work better.

modules/juce_core/system/juce_PlatformDefs.h

@@ -60,7 +60,7 @@
 #endif
 
 //==============================================================================
-#if JUCE_MAC || JUCE_IOS || JUCE_LINUX || JUCE_ANDROID
+#if JUCE_IOS || JUCE_LINUX || JUCE_ANDROID || JUCE_PPC
   /** This will try to break into the debugger if the app is currently being debugged.
       If called by an app that's not being debugged, the behaiour isn't defined - it may crash or not, depending
       on the platform.
@@ -72,8 +72,8 @@
     #pragma intrinsic (__debugbreak)
   #endif
   #define juce_breakDebugger        { __debugbreak(); }
-#elif JUCE_GCC
-  #define juce_breakDebugger        { asm("int $3"); }
+#elif JUCE_GCC || JUCE_MAC
+  #define juce_breakDebugger        { asm ("int $3"); }
 #else
   #define juce_breakDebugger        { __asm int 3 }
 #endif