ENH: Correctly find UiTools library on Mac w/ binary install of Qt.

      Fixes #4554.

Modules/FindQt4.cmake

@@ -643,6 +643,10 @@ IF (QT4_QMAKE_FOUND)
   # Set QT_QTUITOOLS_LIBRARY
   FIND_LIBRARY(QT_QTUITOOLS_LIBRARY_RELEASE NAMES QtUiTools QtUiTools4 PATHS ${QT_LIBRARY_DIR}        NO_DEFAULT_PATH)
   FIND_LIBRARY(QT_QTUITOOLS_LIBRARY_DEBUG   NAMES QtUiTools_debug QtUiToolsd QtUiToolsd4 PATHS ${QT_LIBRARY_DIR} NO_DEFAULT_PATH)
+  # QtUiTools not with other frameworks with binary installation (in /usr/lib)
+  IF(Q_WS_MAC AND QT_QTCORE_LIBRARY_RELEASE AND NOT QT_QTUITOOLS_LIBRARY_RELEASE)
+    FIND_LIBRARY(QT_QTUITOOLS_LIBRARY_RELEASE NAMES QtUiTools PATHS ${QT_LIBRARY_DIR})
+  ENDIF(Q_WS_MAC AND QT_QTCORE_LIBRARY_RELEASE AND NOT QT_QTUITOOLS_LIBRARY_RELEASE)
 
   # Set QT_QTTEST_LIBRARY
   FIND_LIBRARY(QT_QTTEST_LIBRARY_RELEASE NAMES QtTest QtTest4 PATHS ${QT_LIBRARY_DIR}                      NO_DEFAULT_PATH)