Deal with the situation where .flavor exists but .version does not.

Also make the script slightly more portable, in keeping with autoconf syntax.
(closes issue #14737)
 Reported by: davidw


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@234699 65c4cc65-6c06-0410-ace0-fbb531ad65f3

build_tools/make_version_h

@@ -1,5 +1,5 @@
 #!/bin/sh
-if [ ! -f .flavor ]; then
+if test ! -f .flavor ; then
     cat << END
 /*
  * version.h 
@@ -8,6 +8,17 @@ if [ ! -f .flavor ]; then
 #define ASTERISK_VERSION "${ASTERISKVERSION}"
 #define ASTERISK_VERSION_NUM ${ASTERISKVERSIONNUM}
 
+END
+elif test ! -f .version ; then
+    aadkflavor=`cat .flavor`
+    cat << END
+/*
+ * version.h 
+ * Automatically generated
+ */
+#define ASTERISK_VERSION "${ASTERISKVERSION} (${aadkflavor})"
+#define ASTERISK_VERSION_NUM ${ASTERISKVERSIONNUM}
+
 END
 else
     aadkver=`cat .version`