regcomp.c: Silence compiler warning

Some compilers say this can be used uninitialized. I don't believe them,
but silencing them will save effort in the long run.

1 files changed, 2 insertions, 1 deletions

diff --git a/regcomp.c b/regcomp.c
index 53e84f8076..c0a37b265b 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -10656,7 +10656,8 @@ tryagain:
 			}
 		    case 'x':
 			{
-			    UV result;
+                            UV result = UV_MAX; /* initialize to erroneous
+                                                   value */
 			    const char* error_msg;
 
 			    bool valid = grok_bslash_x(&p,