qga/main.c: Don't use g_key_file_get/set_int64

These functions don't exist until glib version 2.26. QEMU is currently only
mandating glib 2.12.

This patch replaces the functions with g_key_file_get/set_integer.

Unbreaks the build on Ubuntu 10.04 and RHEL 5.6.

Regression was introduced by 39097da

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 1363323879-682-1-git-send-email-peter.crosthwaite@xilinx.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
(cherry picked from commit 4f30649)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

qga/main.c

@@ -755,7 +755,7 @@ static void persistent_state_from_keyfile(GAPersistentState *pstate,
 
     if (g_key_file_has_key(keyfile, "global", "fd_counter", NULL)) {
         pstate->fd_counter =
-            g_key_file_get_int64(keyfile, "global", "fd_counter", NULL);
+            g_key_file_get_integer(keyfile, "global", "fd_counter", NULL);
     }
 }
 
@@ -765,7 +765,7 @@ static void persistent_state_to_keyfile(const GAPersistentState *pstate,
     g_assert(pstate);
     g_assert(keyfile);
 
-    g_key_file_set_int64(keyfile, "global", "fd_counter", pstate->fd_counter);
+    g_key_file_set_integer(keyfile, "global", "fd_counter", pstate->fd_counter);
 }
 
 static gboolean write_persistent_state(const GAPersistentState *pstate,