[nemiver] Use RefPtr::bool() operator in the conditions

[Marcin Kolny <mkolny src gnome org>]

commit 262cf9657f9c2727a816972b348692adcc666008
Author: Marcin Kolny <marcin kolny gmail com>
Date:   Fri Jul 1 19:45:05 2016 +0200

    Use RefPtr::bool() operator in the conditions
    
    Since bool() operator in RefPtr class is explicit,
    comparision with integer doesn't compile.

 src/persp/dbgperspective/nmv-dbg-perspective.cc |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/persp/dbgperspective/nmv-dbg-perspective.cc b/src/persp/dbgperspective/nmv-dbg-perspective.cc
index be652db..ac207e4 100644
--- a/src/persp/dbgperspective/nmv-dbg-perspective.cc
+++ b/src/persp/dbgperspective/nmv-dbg-perspective.cc
@@ -5672,7 +5672,7 @@ DBGPerspective::switch_to_asm (const common::DisassembleInfo &a_info,
     a_source_editor->clear_decorations ();
 
     Glib::RefPtr<Gsv::Buffer> asm_buf;
-    if ((asm_buf = a_source_editor->get_assembly_source_buffer ()) == 0) {
+    if (!(asm_buf = a_source_editor->get_assembly_source_buffer ())) {
         SourceEditor::setup_buffer_mime_and_lang (asm_buf, "text/x-asm");
         a_source_editor->register_assembly_source_buffer (asm_buf);
         asm_buf = a_source_editor->get_assembly_source_buffer ();
@@ -5720,7 +5720,7 @@ DBGPerspective::switch_to_source_code ()
 
     Glib::RefPtr<Gsv::Buffer> source_buf;
     UString source_path;
-    if ((source_buf = source_editor->get_non_assembly_source_buffer ()) == 0) {
+    if (!(source_buf = source_editor->get_non_assembly_source_buffer ())) {
         // Woops!
         // We don't have any source code buffer. Let's try hard to get
         // the source code corresponding to the current frame. For that,