Patch from Dan Dennedy to fix compilation of trunk against newest mlt - this...

Patch from Dan Dennedy to fix compilation of trunk against newest mlt - this probably breaks building against old versions of mlt.

svn path=/trunk/kdenlive/; revision=2618

cmake/modules/FindLIBMLT.cmake

@@ -2,9 +2,9 @@
 # Find the MLT includes and library
 #
 
-FIND_PROGRAM(MLT_CONFIG_EXECUTABLE mlt-config)
-EXEC_PROGRAM(${MLT_CONFIG_EXECUTABLE} ARGS --prefix OUTPUT_VARIABLE MLT_PATH )
-MESSAGE(STATUS "Found MLT INSTALL PATH: ${MLT_CONFIG_EXECUTABLE} , ${MLT_PATH}")
+FIND_PROGRAM(MLT_CONFIG_EXECUTABLE pkg-config)
+EXEC_PROGRAM(${MLT_CONFIG_EXECUTABLE} ARGS --variable=prefix mlt-framework OUTPUT_VARIABLE MLT_PATH )
+MESSAGE(STATUS "Found MLT INSTALL PATH: ${MLT_PATH}")
 SET(CMAKE_CXX_FLAGS -DMLT_PREFIX=\\\"\"${MLT_PATH}\"\\\")
 
 FIND_PATH(LIBMLT_INCLUDE_DIR