misra: Improve warning messages for rule 8.2 when the missing arguments are on the next line (#3320)

This makes it easier for the user to find the violation.

Suggested in the forum: https://sourceforge.net/p/cppcheck/discussion/development/thread/801dc07e59/#a1a8/d3e9/c455/8915/747c/2525/0eb8/0f7d

addons/misra.py

@@ -1500,6 +1500,9 @@ class MisraChecker:
                         break
                     voidArg = voidArg.next
                 if not voidArg.str == 'void':
+                    if func.tokenDef.next:
+                        self.reportError(func.tokenDef.next, 8, 2)
+                    else:
                         self.reportError(func.tokenDef, 8, 2)
 
         def checkDeclarationArgumentsViolations(func, startCall, endCall):
@@ -1528,6 +1531,9 @@ class MisraChecker:
                 startCall = startCall.next
 
             if len(argNameTokens) != foundVariables:
+                if func.tokenDef.next:
+                    self.reportError(func.tokenDef.next, 8, 2)
+                else:
                     self.reportError(func.tokenDef, 8, 2)
 
         def checkDefinitionArgumentsViolations(func, startCall, endCall):

addons/test/misra/misra-test.c

@@ -354,6 +354,8 @@ int misra_8_2_p(
     const uint32_t a1,
     const uint8_t *const a2
 );
+int misra_8_2_q
+(); // 8.2
 
 extern int a811[]; // 8.11