Merge pull request #301 from LaurensVoerman/Submit_linkWithVariables

fix for visual studio trying to link "debug.lib" and "release.lib"

CMakeModules/OsgMacroUtils.cmake

@@ -44,7 +44,7 @@ MACRO(LINK_WITH_VARIABLES TRGTNAME)
                 TARGET_LINK_LIBRARIES(${TRGTNAME} optimized "${${varname}}" debug "${${varname}_DEBUG}")
             ENDIF(${varname}_RELEASE)
         ELSE(${varname}_DEBUG)
-            TARGET_LINK_LIBRARIES(${TRGTNAME} "${${varname}}" )
+            TARGET_LINK_LIBRARIES(${TRGTNAME} ${${varname}} )
         ENDIF(${varname}_DEBUG)
     ENDFOREACH(varname)
 ENDMACRO(LINK_WITH_VARIABLES TRGTNAME)