port c87e5b00229eb17bac8dc3047cd9d5f4a42c6711 from Pd-l2ork: hopefully made...

port c87e5b00229eb17bac8dc3047cd9d5f4a42c6711 from Pd-l2ork: hopefully made build process require autoconf 2.5 or newer

pd/src/m_pd.h

@@ -13,7 +13,7 @@ extern "C" {
 #define PD_MAJOR_VERSION 0
 #define PD_MINOR_VERSION 42
 #define PD_BUGFIX_VERSION 7
-#define PD_TEST_VERSION "20150804"
+#define PD_TEST_VERSION "20160124"
 #define PDL2ORK
 extern int pd_compatibilitylevel;   /* e.g., 43 for pd 0.43 compatibility */