* s/sol2-6.h, s/unixware.h (PTY_TTY_NAME_SPRINTF): Protoize decl.

src/ChangeLog

@@ -1,5 +1,7 @@
 2011-04-16  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* s/sol2-6.h, s/unixware.h (PTY_TTY_NAME_SPRINTF): Protoize decl.
+
 	* process.c (keyboard_bit_set): Define only if SIGIO.
 	(send_process_trap): Mark it with NO_RETURN if it doesn't return.
 	(send_process): Repair possible setjmp clobbering.

src/s/sol2-6.h

@@ -44,7 +44,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define PTY_TTY_NAME_SPRINTF			\
   {						\
-    char *ptsname (), *ptyname;			\
+    char *ptsname (int), *ptyname;		\
 						\
     sigblock (sigmask (SIGCLD));		\
     if (grantpt (fd) == -1)			\
@@ -60,4 +60,3 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define GC_SETJMP_WORKS 1
 #define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS
-

src/s/unixware.h

@@ -35,7 +35,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
    within, it should be caught after sigrelse(2).  */
 #define PTY_TTY_NAME_SPRINTF			\
   {						\
-    char *ptsname(), *ptyname;			\
+    char *ptsname (int), *ptyname;		\
 						\
     sigblock(sigmask(SIGCLD));			\
     if (grantpt(fd) == -1)			\