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@arm.com>
Acked-by: Wei Liu <wl@xen.org>
(cherry picked from commit 0241809bf838875615797f52af34222e5ab8e98f)

diff --git a/tools/libxl/libxl_mem.c b/tools/libxl/libxl_mem.c
index e52a9624ea52787e7222386fc2da7d045c3c3b26..c739d00f390c4776cd41df19c1ef7fa619f532f4 100644 (file)
--- a/tools/libxl/libxl_mem.c
+++ b/tools/libxl/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);