Replace deprecated attribute

`variable_t.type` is now deprecated, replace its uses with
`variable_t.decl_type`

Change-Id: Ie97e9a865cc9cb7022a7831623949f4c301568fe

Author: praetorian20

unittests/array_bug_tester.py

@@ -60,7 +60,7 @@ def test5(self):
         src_reader = parser.source_reader_t(self.config)
         global_ns = declarations.get_global_namespace(
             src_reader.read_string(code))
-        arr_type = global_ns.variable('arr').type
+        arr_type = global_ns.variable('arr').decl_type
         if self.config.xml_generator == "gccxml":
             self.assertTrue(
                 'char[4] const' == arr_type.decl_string,
@@ -79,7 +79,7 @@ def test6(self):
         src_reader = parser.source_reader_t(self.config)
         global_ns = declarations.get_global_namespace(
             src_reader.read_string(code))
-        arr_type = global_ns.variable('arr').type
+        arr_type = global_ns.variable('arr').decl_type
         if self.config.xml_generator == "gccxml":
             self.assertTrue(
                 'char[4] volatile' == arr_type.decl_string,
@@ -98,7 +98,7 @@ def test7(self):
         src_reader = parser.source_reader_t(self.config)
         global_ns = declarations.get_global_namespace(
             src_reader.read_string(code))
-        arr_type = global_ns.variable('arr').type
+        arr_type = global_ns.variable('arr').decl_type
         if self.config.xml_generator == "gccxml":
             self.assertTrue(
                 'char[4] const volatile' == arr_type.decl_string,