[gimp] plug-ins: Fix finding raw loaders on Win/OSX

[Tobias Ellinghaus <et src gnome org>]

commit 855f2f1cbed972e82ed2e5fb9c143001cd858687
Author: Tobias Ellinghaus <me houz org>
Date:   Mon Sep 4 11:59:33 2017 +0200

    plug-ins: Fix finding raw loaders on Win/OSX
    
    Without including gdk.h the #defines to determine the system are not
    available, resulting in no platform specific code being compiled in.

 plug-ins/file-raw/file-raw-utils.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/plug-ins/file-raw/file-raw-utils.c b/plug-ins/file-raw/file-raw-utils.c
index 117cb42..23ab620 100644
--- a/plug-ins/file-raw/file-raw-utils.c
+++ b/plug-ins/file-raw/file-raw-utils.c
@@ -20,6 +20,8 @@
 
 #include "config.h"
 
+#include <gdk/gdk.h>
+
 #ifdef GDK_WINDOWING_QUARTZ
 #include <CoreServices/CoreServices.h>
 #endif
@@ -104,7 +106,7 @@ file_raw_get_executable_path (const gchar *main_executable,
       /* else, app bundle was not found, try path search as last resort. */
     }
 #elif defined (GDK_WINDOWING_WIN32)
-  if (registry_key_base)
+  if (win32_registry_key_base)
     {
       /* Look for the application in the Windows registry. */
       char  *registry_key;
@@ -113,10 +115,9 @@ file_raw_get_executable_path (const gchar *main_executable,
       long   status;
 
       if (suffix)
-        registry_key = g_strconcat (registry_key_base, suffix, ".exe", NULL);
+        registry_key = g_strconcat (win32_registry_key_base, suffix, ".exe", NULL);
       else
-        registry_key = g_strconcat (registry_key_base, ".exe", NULL);
-
+        registry_key = g_strconcat (win32_registry_key_base, ".exe", NULL);
       status = RegGetValue (HKEY_LOCAL_MACHINE, registry_key, "", RRF_RT_ANY,
                             NULL, (PVOID)&path, &buffer_size);