tools: Expose virshCommaStringListComplete()

In next commits the virsh-completer.c is going to be split into
smaller files. Expose virshCommaStringListComplete() so that it
can still be used from those new files.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>
Reviewed-by: NJonathon Jongsma <jjongsma@redhat.com>

tools/virsh-completer.c

@@ -96,7 +96,7 @@
  * Returns: string list of completions on success,
  *          NULL otherwise.
  */
-static char **
+char **
 virshCommaStringListComplete(const char *input,
                              const char **options)
 {

tools/virsh-completer.h

@@ -38,6 +38,9 @@ char ** virshDomainDiskTargetCompleter(vshControl *ctl,
                                        const vshCmd *cmd,
                                        unsigned int flags);
 
+char ** virshCommaStringListComplete(const char *input,
+                                     const char **options);
+
 char ** virshStoragePoolNameCompleter(vshControl *ctl,
                                       const vshCmd *cmd,
                                       unsigned int flags);