[anjuta] cxxparser: improved code checks to avoid leaks.

[Massimo Cora' <mcora src gnome org>]

commit eb2681e94344e17a77b4a13a02c386790a26173d
Author: Massimo Corà <mcora src gnome org>
Date:   Sat Jul 14 11:47:31 2012 +0200

    cxxparser: improved code checks to avoid leaks.

 .../cxxparser/engine-parser.cpp                    |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/plugins/language-support-cpp-java/cxxparser/engine-parser.cpp b/plugins/language-support-cpp-java/cxxparser/engine-parser.cpp
index e80fb8b..9817a5e 100644
--- a/plugins/language-support-cpp-java/cxxparser/engine-parser.cpp
+++ b/plugins/language-support-cpp-java/cxxparser/engine-parser.cpp
@@ -249,9 +249,11 @@ EngineParser::getNearestClassInCurrentScopeChainByFileLine (const char* full_fil
 				ianjuta_symbol_query_search_parent_scope (_query_parent_scope,
 				                                          node, NULL);
 
-			if (ianjuta_symbol_get_int (IANJUTA_SYMBOL (iter), IANJUTA_SYMBOL_FIELD_ID, NULL) == 
+			if (parent_iter && 
+			    ianjuta_symbol_get_int (IANJUTA_SYMBOL (iter), IANJUTA_SYMBOL_FIELD_ID, NULL) == 
 			    ianjuta_symbol_get_int (IANJUTA_SYMBOL (parent_iter), IANJUTA_SYMBOL_FIELD_ID, NULL))
 			{
+				g_object_unref (parent_iter);
 				break;
 			}