- add --enable-release to docs

git-svn-id: svn://svn.berlios.de/openocd/trunk@1351 b42882b7-edfa-0310-969c-e2dbd0fdcd60

doc/openocd.texi

@@ -331,7 +331,12 @@ Cygwin/Linux LIBFTDI solution
 
 @itemize @bullet
 @item
-@option{--enable-gccwarnings} - enable extra gcc warnings during build
+@option{--enable-gccwarnings} - enable extra gcc warnings during build.
+Default is enabled.
+@item
+@option{--enable-release} - enable building of a openocd release, generally
+this is for developers. It simply omits the svn version string when the
+openocd @option{-v} is executed.
 @end itemize
 
 @node JTAG Hardware Dongles