[gimp/gimp-2-10] configure: missing OpenRaster MIME type in desktop file.

[Jehan <jehanp src gnome org>]

commit 504c7875d63be0f31ecf3a1bfb03e81d1c1ecc3d
Author: Jehan <jehan girinstud io>
Date:   Sat Feb 20 18:47:43 2021 +0100

    configure: missing OpenRaster MIME type in desktop file.
    
    Adding support for .ora files when Python plug-ins are installed.
    
    (cherry picked from commit 1de810f6de73ecf10eed01390f14aa4b3df43e0d)

 configure.ac | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/configure.ac b/configure.ac
index c9b9c5510a..1df00cde82 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2361,6 +2361,8 @@ if test "x$enable_python" != xno; then
 
   GIMP_DETECT_CFLAGS(PYGIMP_EXTRA_CFLAGS, '-fno-strict-aliasing')
   AC_SUBST(PYGIMP_EXTRA_CFLAGS)
+
+  MIME_TYPES="$MIME_TYPES;image/openraster"
 fi
 AM_CONDITIONAL(BUILD_PYTHON, test "x$enable_python" != xno)