add SVG_INCLUDE_DIR so that svg.h is found

Author: cnieman

CMakeLists.txt

@@ -530,7 +530,7 @@ if(WITH_SVGCAIRO)
   endif(WITH_RSVG)
   find_package(SVGCairo)
   if(SVGCAIRO_FOUND)
-    include_directories(${SVGCAIRO_INCLUDE_DIR})
+    include_directories(${SVG_INCLUDE_DIR} ${SVGCAIRO_INCLUDE_DIR})
     ms_link_libraries( ${SVG_LIBRARY} ${SVGCAIRO_LIBRARY})
     set (USE_SVG_CAIRO 1)
   else(SVGCAIRO_FOUND)