Warning fixes, general cleanup (#5053)

common/process.cpp

@@ -23,11 +23,13 @@
 
 inline std::string random_string(size_t length)
 {
-	auto        randchar = []() -> char {
+	auto randchar = []() -> char
+	{
 		const char   charset[] = "0123456789" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "abcdefghijklmnopqrstuvwxyz";
 		const size_t max_index = (sizeof(charset) - 1);
 		return charset[static_cast<size_t>(std::rand()) % max_index];
 	};
+
 	std::string str(length, 0);
 	std::generate_n(str.begin(), length, randchar);
 	return str;