Fixed #1156 ([False positive] Uninitialized variable - class member in constructor)

lib/checkother.cpp

@@ -1375,6 +1375,8 @@ private:
     static void dealloc_pointer(bool &foundError, std::list<ExecutionPath *> &checks, const Token *tok)
     {
         const unsigned int varid(tok->varId());
+        if (!varid)
+            return;
 
         std::list<ExecutionPath *>::const_iterator it;
         for (it = checks.begin(); it != checks.end(); ++it)

test/testother.cpp

@@ -1094,6 +1094,17 @@ private:
                        "}\n");
         ASSERT_EQUALS("", errout.str());
 
+        checkUninitVar("class Fred {\n"
+                       "public:\n"
+                       "    FILE *f;\n"
+                       "    ~Fred();\n"
+                       "}\n"
+                       "Fred::~Fred()\n"
+                       "{\n"
+                       "    fclose(f);\n"
+                       "}\n");
+        ASSERT_EQUALS("", errout.str());
+
         // goto..
         checkUninitVar("void foo(int x)\n"
                        "{\n"