Fix filesearch test.

Clang complained that the operator== was not defined in Utils namespace.

Change-Id: I64853ddf3a081991cfb276b3be3a243fda87a740
Reviewed-by: Christian Stenger <christian.stenger@digia.com>

tests/auto/filesearch/tst_filesearch.cpp

@@ -31,7 +31,7 @@
 
 #include <QtTest>
 
-QT_BEGIN_NAMESPACE
+namespace Utils {
 bool operator==(const Utils::FileSearchResult &r1, const Utils::FileSearchResult &r2)
 {
     return r1.fileName == r2.fileName
@@ -41,7 +41,7 @@ bool operator==(const Utils::FileSearchResult &r1, const Utils::FileSearchResult
             && r1.matchLength == r2.matchLength
             && r1.regexpCapturedTexts == r2.regexpCapturedTexts;
 }
-QT_END_NAMESPACE
+} // Utils
 
 class tst_FileSearch : public QObject
 {