(sigprocmask_set): Declare as extern SIGMASKTYPE.

diff --git a/src/s/sco5.h b/src/s/sco5.h
index 8bce2d48063f5e8f83d9736a01868bbd2c7db07c..6835c64c6418a6bd4c33b62ec4cd65a040039e4f 100644 (file)
--- a/src/s/sco5.h
+++ b/src/s/sco5.h
@@ -127,6 +127,7 @@ Boston, MA 02111-1307, USA.  */
 /* SCO Unix has Posix signals, but in 3.2.5 something broken that causes
  * all keyboard-quit signals to be lost after the first one. */
 #undef POSIX_SIGNALS
+extern SIGMASKTYPE sigprocmask_set;
 #define sigblock(sig)                                  \
      (sigprocmask_set = SIGEMPTYMASK | (sig),          \
       sigprocmask (SIG_BLOCK, &sigprocmask_set, NULL))