[PATCH 1/3] virsh.c: Fix compiler warning

[Cole Robinson <crobinso@xxxxxxxxxx>]

For some reason I only get this after applying subsequent upcoming
patches that touch virsh, but don't seem to actually cause the warning.

virsh.c: In function ‘vshCommandParse’:
virsh.c:2014:46: error: ‘opt_index’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
cc1: all warnings being treated as errors
---
 tools/virsh.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/virsh.c b/tools/virsh.c
index b95a008..64e2e18 100644
--- a/tools/virsh.c
+++ b/tools/virsh.c
@@ -1975,7 +1975,7 @@ vshCommandParse(vshControl *ctl, vshCommandParser *parser)
             } else if (tkdata[0] == '-' && tkdata[1] == '-' &&
                        c_isalnum(tkdata[2])) {
                 char *optstr = strchr(tkdata + 2, '=');
-                int opt_index;
+                int opt_index = 0;
 
                 if (optstr) {
                     *optstr = '\0'; /* convert the '=' to '\0' */
-- 
1.7.11.2

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