Changed shared lib version to 12 as some structures has changed

configure.in

@@ -10,7 +10,7 @@ AM_CONFIG_HEADER(config.h)
 PROTOCOL_VERSION=10
 DOT_FRM_VERSION=6
 # See the libtool docs for information on how to do shared lib versions.
-SHARED_LIB_VERSION=11:0:0
+SHARED_LIB_VERSION=12:0:0
 
 # Set all version vars based on $VERSION. How do we do this more elegant ?
 # Remember that regexps needs to quote [ and ] since this is run through m4