* include/_mingw.h: Increment version to 2.0.

* Makefile.in: Ditto.
	Merge in mingwex branch.

winsup/mingw/mingwex/imaxabs.c

@@ -0,0 +1,17 @@
+/*
+    This source code was extracted from the Q8 package created and
+    placed in the PUBLIC DOMAIN by Doug Gwyn <gwyn@arl.mil>
+    last edit:	1999/11/05	gwyn@arl.mil
+
+	Implements subclause 7.8.2 of ISO/IEC 9899:1999 (E).
+
+	This particular implementation requires the matching <inttypes.h>.
+*/
+
+#include	<inttypes.h>
+
+intmax_t
+imaxabs (intmax_t _j)
+  { return	_j >= 0 ? _j : -_j; }
+
+long long __attribute__ ((alias ("imaxabs")))	llabs (long long);