Add major/minor version numbers (Bug #461)

CHANGES

@@ -6,7 +6,8 @@ CHANGES IN Mini-XML 2.8
 	- Now call docsetutil using xcrun on OS X.
 	- mxmldoc did not escape special HTML characters inside @code foo@
 	  comments.
-	- Fixed a memory leak in mxmlElementDeleteAttr (STR #452)
+	- Fixed a memory leak in mxmlElementDeleteAttr (Bug #452)
+	- Added MXML_MAJOR/MINOR_VERSION definitions to mxml.h (Bug $461)
 
 
 CHANGES IN Mini-XML 2.7

mxml.h

@@ -3,7 +3,7 @@
  *
  * Header file for Mini-XML, a small XML-like file parsing library.
  *
- * Copyright 2003-2011 by Michael R Sweet.
+ * Copyright 2003-2013 by Michael R Sweet.
  *
  * These coded instructions, statements, and computer programs are the
  * property of Michael R Sweet and are protected by Federal copyright
@@ -36,6 +36,9 @@
  * Constants...
  */
 
+#  define MXML_MAJOR_VERSION	2	/* Major version number */
+#  define MXML_MINOR_VERSION	8	/* Minor version number */
+
 #  define MXML_TAB		8	/* Tabs every N columns */
 
 #  define MXML_NO_CALLBACK	0	/* Don't use a type callback */