include: declare runcmd on Plan 9

The function runcmd was declared in
include/libc.h in CL 7523043.

Change-Id: I3839b96b2ac0d63e5c2eb4c216710442d0962119
Reviewed-on: https://go-review.googlesource.com/3125
Reviewed-by: Ian Lance Taylor <iant@golang.org>

diff --git a/include/plan9/libc.h b/include/plan9/libc.h
index 773edeee3f7623947c620ce0b9760f345767e5ec..fe7667b861f3b3d9ee87c78818a9d00fa85cda0c 100644 (file)
--- a/include/plan9/libc.h
+++ b/include/plan9/libc.h
@@ -15,6 +15,8 @@ char* getgoarm(void);
 char*  getgo386(void);
 char*  getgoextlinkenabled(void);
 
+int    runcmd(char**);
+
 void   flagcount(char*, char*, int*);
 void   flagint32(char*, char*, int32*);
 void   flagint64(char*, char*, int64*);