Fixed ctkMacroBuildQtPlugin to build shared libraries

CMake/ctkMacroBuildQtPlugin.cmake

@@ -17,7 +17,7 @@ MACRO(CtkMacroBuildQtPlugin)
     MESSAGE(SEND_ERROR "EXPORT_DIRECTIVE is mandatory")
   ENDIF(NOT DEFINED MYQTPLUGIN_EXPORT_DIRECTIVE)
   IF(NOT DEFINED MYQTPLUGIN_LIBRARY_TYPE)
-    SET(MYQTLIB_LIBRARY_TYPE "SHARED")
+    SET(MYQTPLUGIN_LIBRARY_TYPE "SHARED")
   ENDIF(NOT DEFINED MYQTPLUGIN_LIBRARY_TYPE)
 
   # Define library name
@@ -64,7 +64,7 @@ MACRO(CtkMacroBuildQtPlugin)
     ${MYQTPLUGIN_UI_CXX}
     )
   
-  ADD_LIBRARY(${lib_name} ${OV_LIBRARY_TYPE}
+  ADD_LIBRARY(${lib_name} ${MYQTPLUGIN_LIBRARY_TYPE}
     ${MYQTPLUGIN_SRCS}
     ${MYQTPLUGIN_UI_CXX}
     ${MYQTPLUGIN_QRC_SRCS}