Uninitialized variables: fixed false negative when using uninitialized variable inside malloc call

lib/checkother.cpp

@@ -2960,7 +2960,7 @@ private:
             {
                 alloc_pointer(checks, tok.varId());
                 if (tok.tokAt(3)->str() == "(")
-                    return tok.tokAt(3)->link();
+                    return tok.tokAt(3);
             }
 
             else if (Token::simpleMatch(tok.previous(), ">>") || Token::simpleMatch(tok.next(), "="))

test/testother.cpp

@@ -1176,6 +1176,13 @@ private:
                        "}\n");
         ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str());
 
+        checkUninitVar("void f(Foo *p)\n"
+                       "{\n"
+                       "    int a;\n"
+                       "    p->a = malloc(4 * a);\n"
+                       "}\n");
+        ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: a\n", errout.str());
+
         checkUninitVar("static void foo()\n"
                        "{\n"
                        "    int *p;\n"