[libvirt] [PATCH] examples: domtop: fix build error

[Bjoern Walk]

GCC version 8.2.1 has problems seeing the the correct flow of control,
so manually initialize the temporary variable.

    ../../examples/domtop/domtop.c: In function 'print_cpu_usage':
    ../../examples/domtop/domtop.c:242:28: error: 'pos' may be used uninitialized in this function [-Werror=maybe-uninitialized]
             usage = (now_params[pos].value.ul - then_params[pos].value.ul) /

    cc1: all warnings being treated as errors

Signed-off-by: Bjoern Walk <bwalk at linux.ibm.com>
---
 examples/domtop/domtop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/domtop/domtop.c b/examples/domtop/domtop.c
index c9b51aed..e463e287 100644
--- a/examples/domtop/domtop.c
+++ b/examples/domtop/domtop.c
@@ -206,7 +206,7 @@ print_cpu_usage(size_t cpu,
     }
 
     for (i = 0; i < ncpus; i++) {
-        size_t pos;
+        size_t pos = 0;
         double usage;
 
         /* check if the vCPU is in the maps */
-- 
2.19.1