Fix #11878 FP misra-c2012-18.7 on function pointer parameter with array-type args (#5343)

https://trac.cppcheck.net/ticket/11878#ticket

addons/misra.py

@@ -3231,7 +3231,10 @@ class MisraChecker:
                 if token.str == '{':
                     token = token.link
 
-                if cppcheckdata.simpleMatch(token, "[ ]"):
+                # skip function pointer parameter types
+                if token.astOperand1 is None:
+                    pass
+                elif cppcheckdata.simpleMatch(token, "[ ]"):
                     self.reportError(token, 18, 7)
                     break
                 token = token.next

addons/test/misra/misra-test.c

@@ -1713,6 +1713,7 @@ struct {
 } r18_7_struct; // 8.4
 struct {
   uint16_t len;
+  int (*array_param_func_ptr)(char const *argv[], int argc); // no-warning
   uint8_t data_1[ 19 ];
   uint8_t data_2[   ]; // 18.7
 } r18_7_struct; // 8.4