Changed version to 2.13 (2)-change PJ_VERSION_NUM_EXTRA

Author: sauwming

pjlib/include/pj/config.h

@@ -1415,7 +1415,7 @@ PJ_BEGIN_DECL
  * Extra suffix for the version (e.g. "-trunk"), or empty for
  * web release version.
  */
-#define PJ_VERSION_NUM_EXTRA    "-dev"
+#define PJ_VERSION_NUM_EXTRA    ""
 
 /**
  * PJLIB version number consists of three bytes with the following format: