meson: Add mising git_sha1.h dependency.

Fixes: 606dff1b73f "vulkan/overlay: Add support for a control socket."
Reviewed-by: Dylan Baker <dylan.c.baker@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6019>
diff --git a/src/vulkan/overlay-layer/meson.build b/src/vulkan/overlay-layer/meson.build
index 19856f6..73e1e83 100644
--- a/src/vulkan/overlay-layer/meson.build
+++ b/src/vulkan/overlay-layer/meson.build
@@ -38,7 +38,7 @@
 
 vklayer_mesa_overlay = shared_library(
   'VkLayer_MESA_overlay',
-  vklayer_files, overlay_spv,
+  vklayer_files, overlay_spv, sha1_h,
   c_args : [no_override_init_args, vulkan_wsi_args],
   cpp_args : [vulkan_wsi_args],
   gnu_symbol_visibility : 'hidden',