M5-3-2: correct test-case comment typo

Author: Nikita Kraiouchkine

cpp/autosar/test/rules/M5-3-2/test.cpp

@@ -8,6 +8,6 @@ void f() {
 
   std::uint16_t a = -K; // COMPLIANT
   std::int16_t b = -a;  // NON_COMPLIANT
-  std::uint64_t c = K;  // COMPLIANTt
+  std::uint64_t c = K;  // COMPLIANT
   std::int64_t d = -c;  // NON_COMPLIANT
 }