[anjuta] language-support-cpp-java: Don't call the expression parser when we have no filename

[Johannes Schmid <jhs src gnome org>]

commit 03d1715f057bb668a2ede6ce48dfcd28df885842
Author: Johannes Schmid <jhs idefix localdomain>
Date:   Tue Mar 2 09:27:45 2010 +0100

    language-support-cpp-java: Don't call the expression parser when we have no filename
    
    This fixes the crash in bgo#608610

 .../language-support-cpp-java/cpp-java-assist.c    |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/plugins/language-support-cpp-java/cpp-java-assist.c b/plugins/language-support-cpp-java/cpp-java-assist.c
index 5e238ea..391c578 100644
--- a/plugins/language-support-cpp-java/cpp-java-assist.c
+++ b/plugins/language-support-cpp-java/cpp-java-assist.c
@@ -886,8 +886,13 @@ cpp_java_parse_expression (CppJavaAssist* assist, IAnjutaIterable* iter, IAnjuta
 			if (file != NULL)
 			{
 				filename = g_file_get_path (file);
+				g_object_unref (file);
+			}
+			else
+			{
+				g_free (stmt);
+				return NULL;
 			}
-			g_object_unref (file);
 		}
 		start = ianjuta_editor_get_start_position (editor, NULL);
 		above_text = ianjuta_editor_get_text (editor, start, iter, NULL);