BUG: Fixed name of variable used to check version of uic executable.

Modules/FindQt3.cmake

@@ -281,7 +281,7 @@ IF(QT_FOUND)
 ENDIF(QT_FOUND)
 
 EXEC_PROGRAM(${QT_MOC_EXECUTABLE} ARGS "-v" OUTPUT_VARIABLE QTVERSION_MOC)
-EXEC_PROGRAM(${QT_UIC_EXECUTABLE} ARGS "-version" OUTPUT_VARIABLE QTVERSION_UI)
+EXEC_PROGRAM(${QT_UIC_EXECUTABLE} ARGS "-version" OUTPUT_VARIABLE QTVERSION_UIC)
 
 SET(_QT_UIC_VERSION_3 FALSE)
 IF("${QTVERSION_UIC}" MATCHES ".* 3..*")