New module 'xvasprintf'.

modules/xvasprintf

@@ -0,0 +1,21 @@
+Description:
+vasprintf and asprintf with out-of-memory checking.  Also see xalloc-die.
+
+Files:
+lib/xvasprintf.h
+lib/xvasprintf.c
+lib/xasprintf.c
+
+Depends-on:
+vasprintf
+
+configure.ac:
+
+Makefile.am:
+lib_SOURCES += xvasprintf.h xvasprintf.c xasprintf.c 
+
+Include:
+"xvasprintf.h"
+
+Maintainer:
+Oskar Liljeblad