[totem-pl-parser/gnome-2-28] Fix compilation with gmime-2.6

[Bastien Nocera <hadess src gnome org>]

commit 6b6ec7f364d910d96f63190d762cffea710a5ab2
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Apr 12 12:55:53 2010 +0100

    Fix compilation with gmime-2.6

 configure.in |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)
---
diff --git a/configure.in b/configure.in
index fbbb1e2..7c956fe 100644
--- a/configure.in
+++ b/configure.in
@@ -73,14 +73,20 @@ AC_ARG_ENABLE(gmime-i-know-what-im-doing,
 if test "x$enable_gmime" = "xyes" ; then
    PKG_CHECK_MODULES(GMIME,  
 		     gmime-2.4,
-                     [have_gmime=yes], 
+                     [have_gmime=yes GMIME=gmime-2.4], 
                      [have_gmime=no])
+   if test "x$have_gmime" != "xyes" ; then
+     PKG_CHECK_MODULES(GMIME,  
+		       gmime-2.6,
+		       [have_gmime=yes GMIME=gmime-2.6], 
+		       [have_gmime=no])
+   fi
 
    if test "x$have_gmime" = "xyes" ; then
-      AC_SUBST(GMIME, gmime-2.4)
+      AC_SUBST(GMIME, $GMIME)
       AC_SUBST(USEGMIME, yes)
       AC_DEFINE(HAVE_GMIME, 1, [GMime available in the system])
-      pkg_modules="$pkg_modules gmime-2.4"
+      pkg_modules="$pkg_modules $GMIME"
    else
       AC_MSG_ERROR([libgmime is required to compile totem-pl-parser.])
    fi