File a4604eb0-libxl-loglevel-build-fix.patch of Package libvirt.11696

commit a4604eb086721542f9faa866039922c77e899d76
Author: Jim Fehlig <jfehlig@suse.com>
Date:   Tue Sep 15 21:10:59 2015 -0600

    libxl: fix compiler error introduced by commit ba25c214
    
    libxl/libxl_conf.c: In function 'libxlDriverConfigNew':
    libxl/libxl_conf.c:1560:30: error: 'log_level' may be used uninitialized
    in this function [-Werror=maybe-uninitialized]

diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c
index 40fa4b5..35fd495 100644
--- a/src/libxl/libxl_conf.c
+++ b/src/libxl/libxl_conf.c
@@ -1496,7 +1496,7 @@ libxlDriverConfigNew(void)
 {
     libxlDriverConfigPtr cfg;
     char *log_file = NULL;
-    xentoollog_level log_level;
+    xentoollog_level log_level = XTL_DEBUG;
     char ebuf[1024];
     unsigned int free_mem;