[PATCH] build: avoid spurious compiler warning

[Eric Blake <eblake@xxxxxxxxxx>]

For some weird reason, i686-pc-mingw32-gcc version 4.6.1 at -O2 complained:
../../src/conf/nwfilter_params.c: In function 'virNWFilterVarCombIterCreate':
../../src/conf/nwfilter_params.c:346:23: error: 'minValue' may be used uninitialized in this function [-Werror=uninitialized]
../../src/conf/nwfilter_params.c:319:28: note: 'minValue' was declared here
../../src/conf/nwfilter_params.c:344:23: error: 'maxValue' may be used uninitialized in this function [-Werror=uninitialized]
../../src/conf/nwfilter_params.c:319:18: note: 'maxValue' was declared here
cc1: all warnings being treated as errors

even though all paths of the preceding switch statement either
assign the variables or return.

* src/conf/nwfilter_params.c (virNWFilterVarCombIterAddVariable):
Initialize variables.
---

Pushing under the build-breaker rule.

 src/conf/nwfilter_params.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/conf/nwfilter_params.c b/src/conf/nwfilter_params.c
index 8949b95..7400fa0 100644
--- a/src/conf/nwfilter_params.c
+++ b/src/conf/nwfilter_params.c
@@ -1,7 +1,7 @@
 /*
  * nwfilter_params.c: parsing and data maintenance of filter parameters
  *
- * Copyright (C) 2011 Red Hat, Inc.
+ * Copyright (C) 2011-2012 Red Hat, Inc.
  * Copyright (C) 2010 IBM Corporation
  *
  * This library is free software; you can redistribute it and/or
@@ -316,7 +316,7 @@ virNWFilterVarCombIterAddVariable(virNWFilterVarCombIterEntryPtr cie,
                                   const virNWFilterVarAccessPtr varAccess)
 {
     virNWFilterVarValuePtr varValue;
-    unsigned int maxValue, minValue;
+    unsigned int maxValue = 0, minValue = 0;
     const char *varName = virNWFilterVarAccessGetVarName(varAccess);

     varValue = virHashLookup(hash->hashTable, varName);
-- 
1.7.7.5

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