* xm-mips.h: declare strdup for ultrix.

gdb/ChangeLog

@@ -1,5 +1,7 @@
 Tue Mar 24 14:17:48 1992  Stu Grossman  (grossman@cygnus.com)
 
+	* xm-mips.h:  declare strdup for ultrix.
+
 	* mipsread.c (fixup_sigtramp):  Make sure that current_objfile is setup
 	when calling new_symbol.
 	* mips-tdep.c (mips_frame_chain):  Use symfile_objfile instead of

gdb/xm-mips.h

@@ -29,6 +29,10 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #define KERNEL_U_ADDR 0 /* Not needed. */
 
+#ifdef ultrix
+extern char *strdup();
+#endif
+
 /* Only used for core files on DECstations. */
 
 #define REGISTER_U_ADDR(addr, blockend, regno) 		\