Fix build

When building gtk2 based stuff we need to be sure gtk2 includes are included first
and also search properly for gio includes

cmake/modules/FindGTK3.cmake

@@ -78,12 +78,12 @@ PKG_CHECK_MODULES(PC_GIO2 REQUIRED gio-2.0)
 SET(GLIB2_DEFINITIONS ${PC_GIO2_CXXFLAGS_OTHER})
 
 FIND_PATH(
-	GIO2_INCLUDE_DIR_PART1 gio.h
+	GIO2_INCLUDE_DIR_PART1 glib.h
 	HINTS ${PC_GIO2_INCLUDEDIR} ${PC_GIO2_INCLUDE_DIRS}
 	PATH_SUFFIXES gio)
 
 FIND_PATH(
-	GIO2_INCLUDE_DIR_PART2 gobject.h
+	GIO2_INCLUDE_DIR_PART2 gio.h
 	HINTS ${PC_GIO2_INCLUDEDIR} ${PC_GIO2_INCLUDE_DIRS}
 	PATH_SUFFIXES glib-2.0/gio)
 

gtkproxies/CMakeLists.txt

 find_package(GTK2 REQUIRED)
 
-include_directories(${GTK2_INCLUDE_DIRS})
+include_directories(BEFORE ${GTK2_INCLUDE_DIRS})
 
 add_executable(reload_gtk_apps reload.c)
 target_link_libraries(reload_gtk_apps ${GTK2_LIBRARIES})