[xen staging] tool/libs/light: Fix libxenlight gcc warning

[patchbot@xxxxxxx]

commit 0241809bf838875615797f52af34222e5ab8e98f
Author:     Bertrand Marquis <bertrand.marquis@xxxxxxx>
AuthorDate: Wed Oct 7 14:57:02 2020 +0100
Commit:     Wei Liu <wl@xxxxxxx>
CommitDate: Thu Oct 8 12:56:03 2020 +0000

    tool/libs/light: Fix libxenlight gcc warning
    
    Fix gcc10 compilation warning about uninitialized variable by setting
    it to 0.
    
    Signed-off-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>
    Acked-by: Wei Liu <wl@xxxxxxx>
---
 tools/libs/light/libxl_mem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/libs/light/libxl_mem.c b/tools/libs/light/libxl_mem.c
index e52a9624ea..c739d00f39 100644
--- a/tools/libs/light/libxl_mem.c
+++ b/tools/libs/light/libxl_mem.c
@@ -562,7 +562,7 @@ out:
 
 int libxl_get_free_memory_0x040700(libxl_ctx *ctx, uint32_t *memkb)
 {
-    uint64_t my_memkb;
+    uint64_t my_memkb = 0;
     int rc;
 
     rc = libxl_get_free_memory(ctx, &my_memkb);
--
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