configure.ac: Reorder dependency version definitions for consistency
diff --git a/configure.ac b/configure.ac
index b16d573..6b1dbb4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,13 +18,13 @@
 LIBIMOBILEDEVICE_SO_VERSION=5:0:0
 
 dnl Minimum package versions
-LIBPLIST_VERSION=1.11
 LIBUSBMUXD_VERSION=1.0.9
+LIBPLIST_VERSION=1.11
 LIBPLISTMM_VERSION=1.11
 
 AC_SUBST(LIBIMOBILEDEVICE_SO_VERSION)
-AC_SUBST(LIBPLIST_VERSION)
 AC_SUBST(LIBUSBMUXD_VERSION)
+AC_SUBST(LIBPLIST_VERSION)
 AC_SUBST(LIBPLISTMM_VERSION)
 
 # Checks for programs.