Fixing the gdal include error that Macports seems to only mess up.

cmake/OpenCVFindLibsGrfmt.cmake

@@ -208,5 +208,6 @@ if(WITH_GDAL)
         set(HAVE_GDAL NO)
     else()
         set(HAVE_GDAL YES)
+        ocv_include_directories(${GDAL_INCLUDE_DIR})
     endif()
 endif()

modules/imgcodecs/src/grfmt_gdal.hpp

@@ -52,9 +52,9 @@
 #include <iostream>
 
 /// Geospatial Data Abstraction Library
-#include <gdal/cpl_conv.h>
-#include <gdal/gdal_priv.h>
-#include <gdal/gdal.h>
+#include <cpl_conv.h>
+#include <gdal_priv.h>
+#include <gdal.h>
 
 
 /// Start of CV Namespace