[gedit-plugins] Fixed package detection for git plugin.

[Adam Dingle <adamd src gnome org>]

commit eba6eea608d705a67ae474a5be5370538c71fe10
Author: Adam Dingle <adam yorba org>
Date:   Tue Apr 30 09:04:52 2013 -0400

    Fixed package detection for git plugin.

 configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ce8f245..a37af73 100644
--- a/configure.ac
+++ b/configure.ac
@@ -269,12 +269,12 @@ fi
 # ================================================================
 # Git (libgit2-glib)
 # ================================================================
-plugin_defined synctex
+plugin_defined git
 if test "$?" = 1
 then
        LIBGIT2_GLIB_REQUIRED=0.0.2
        PKG_CHECK_MODULES([GIT2_GLIB],
-               [libgit2-glib >= $LIBGIT2_GLIB_REQUIRED],
+               [libgit2-glib-1.0 >= $LIBGIT2_GLIB_REQUIRED],
                [have_git2=yes],[have_git2=no])
 
        if test "x$have_git2" = "xno"; then