configure: fix for SunOS based systems

local directive make the configure fails on these systems.

Signed-off-by: David Carlier <devnexen@gmail.com>
Message-Id: <CA+XhMqy95D8X-QvBcEfL=a-Rkgy6aJtheskkqZwQkreru+T_Wg@mail.gmail.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

configure

@@ -111,7 +111,7 @@ error_exit() {
 do_compiler() {
     # Run the compiler, capturing its output to the log. First argument
     # is compiler binary to execute.
-    local compiler="$1"
+    compiler="$1"
     shift
     if test -n "$BASH_VERSION"; then eval '
         echo >>config.log "