Minor fix: un/signed int comparison warning

diff --git a/src/opencl_handle.cc b/src/opencl_handle.cc
index d4baaca6154dd75939939c0f03519e48488994fe..5da0a848e32e302d179de086f6d4d37f2161406b 100644 (file)
--- a/src/opencl_handle.cc
+++ b/src/opencl_handle.cc
@@ -717,7 +717,7 @@ OpenCLContext::OpenCLContext() : context_(nullptr), queue_(nullptr) {
   }
 
   bool success = false;
-  for (auto i = 0; i < num_platforms; ++i) {
+  for (cl_uint i = 0; i < num_platforms; ++i) {
     cl_context_properties context_properties[] = {
         CL_CONTEXT_PLATFORM,
         reinterpret_cast<cl_context_properties>(platform_ids[i]), 0};