corrected build problem detected on Mac

indra/newview/llfilepicker.cpp

@@ -653,7 +653,7 @@ Boolean LLFilePicker::navOpenFilterProc(AEDesc *theItem, void *info, void *callB
 							if (fileInfo.filetype != 'DIC ' &&
 								fileInfo.filetype != 'XCU ' &&
 								(fileInfo.extension && (CFStringCompare(fileInfo.extension, CFSTR("dic"), kCFCompareCaseInsensitive) != kCFCompareEqualTo) &&
-								 fileInfo.extension && (CFStringCompare(fileInfo.extension, CFSTR("xcu"), kCFCompareCaseInsensitive) != kCFCompareEqualTo))
+								 fileInfo.extension && (CFStringCompare(fileInfo.extension, CFSTR("xcu"), kCFCompareCaseInsensitive) != kCFCompareEqualTo)))
 							{
 								result = false;
 							}