Fix resource leak in QFontEngineDirectWrite

Bug introduced by f54c5d9133d7aa7636988db36fa6cc51d26434b6. The release
statement has to come before the return statement :)

Reviewed-by: Jiang Jiang
(cherry picked from commit d58eec3c932d1cdbcf3b42534e8fe870ec109487)

Change-Id: Ib0b550ead3f971736142d88f4ca19bb8edc1b654
Reviewed-on: http://codereview.qt.nokia.com/949
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@nokia.com>

src/gui/text/qfontenginedirectwrite.cpp

@@ -623,15 +623,16 @@ QImage QFontEngineDirectWrite::imageForGlyph(glyph_t t,
                 }
 
                 delete[] alphaValues;
+                glyphAnalysis->Release();
+
                 return img;
             } else {
                 delete[] alphaValues;
+                glyphAnalysis->Release();
 
                 qErrnoWarning("QFontEngineDirectWrite::imageForGlyph: CreateAlphaTexture failed");
             }
         }
-
-        glyphAnalysis->Release();
     } else {
         qErrnoWarning("QFontEngineDirectWrite::imageForGlyph: CreateGlyphRunAnalysis failed");
     }