layers: Fix Android build

ndk-bundle/sources/cxx-stl/llvm-libc++/include/set
expects comparator's operator() to be const.

diff --git a/layers/descriptor_sets.cpp b/layers/descriptor_sets.cpp
index 705ef3c..79e3ca4 100644 (file)
--- a/layers/descriptor_sets.cpp
+++ b/layers/descriptor_sets.cpp
@@ -30,7 +30,7 @@
 #include <algorithm>
 
 struct BindingNumCmp {
-    bool operator()(const VkDescriptorSetLayoutBinding *a, const VkDescriptorSetLayoutBinding *b) {
+    bool operator()(const VkDescriptorSetLayoutBinding *a, const VkDescriptorSetLayoutBinding *b) const {
         return a->binding < b->binding;
     }
 };