[PATCH] histedit: fix build with musl libc

[Baruch Siach <baruch@xxxxxxxxxx>]

musl libc defines the optreset BSD extension only in getopt.h. This
fixes the following build failure:

histedit.c: In function 'histcmd':
histedit.c:220:2: error: 'optreset' undeclared (first use in this function)
  optreset = 1; optind = 1; /* initialize getopt */
  ^~~~~~~~

Signed-off-by: Baruch Siach <baruch@xxxxxxxxxx>
---
 src/histedit.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/histedit.c b/src/histedit.c
index 94465d785cc9..f5c90aba873b 100644
--- a/src/histedit.c
+++ b/src/histedit.c
@@ -39,6 +39,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <getopt.h>
 /*
  * Editline and history functions (and glue).
  */
-- 
2.16.1

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