Make getUrResultString a function instead of lambda

Author: Bensuo

source/adapters/cuda/command_buffer.hpp

@@ -15,7 +15,7 @@
 #include <cuda.h>
 #include <memory>
 
-static auto getUrResultString = [](ur_result_t Result) {
+static inline std::string getUrResultString(ur_result_t Result) {
   switch (Result) {
   case UR_RESULT_SUCCESS:
     return "UR_RESULT_SUCCESS";
@@ -156,7 +156,7 @@ static auto getUrResultString = [](ur_result_t Result) {
   default:
     return "UR_RESULT_ERROR_UNKNOWN";
   }
-};
+}
 
 // Trace an internal UR call; returns in case of an error.
 #define UR_CALL(Call)                                                          \