curl: Drop '-DEV' from version since this is a curl release

We imported curl from an upstream release, so report the corresponding
release version to servers.  This is consistent with the version we
presented when our builtin curl was 7.16.1.

Utilities/cmcurl/include/curl/curlver.h

@@ -30,7 +30,7 @@
 
 /* This is the version number of the libcurl package from which this header
    file origins: */
-#define LIBCURL_VERSION "7.38.0-DEV"
+#define LIBCURL_VERSION "7.38.0"
 
 /* The numeric version number is also available "in parts" by using these
    defines: */