[gthumb] use the application name (gThumb) in the Exif.Image.Software tag

[Paolo Bacchilega <paobac src gnome org>]

commit 6875bcf6ac089ebb2900a85708dd3559c0e32315
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Wed Jul 20 22:47:52 2011 +0200

    use the application name (gThumb) in the Exif.Image.Software tag

 extensions/exiv2_tools/exiv2-utils.cpp |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/extensions/exiv2_tools/exiv2-utils.cpp b/extensions/exiv2_tools/exiv2-utils.cpp
index bb9055c..31afa2a 100644
--- a/extensions/exiv2_tools/exiv2-utils.cpp
+++ b/extensions/exiv2_tools/exiv2-utils.cpp
@@ -894,8 +894,9 @@ exiv2_write_metadata_private (Exiv2::Image::AutoPtr  image,
 			      GFileInfo             *info,
 			      GdkPixbuf             *pixbuf)
 {
-	char **attributes;
-	int    i;
+	static char  *software_name = NULL;
+	char        **attributes;
+	int           i;
 
 	image->clearMetadata();
 
@@ -954,7 +955,9 @@ exiv2_write_metadata_private (Exiv2::Image::AutoPtr  image,
 
 	// Overwrite the software tag
 
-	ed["Exif.Image.Software"] = PACKAGE " " VERSION;
+	if (software_name == NULL)
+		software_name = g_strconcat (g_get_application_name (), " ", VERSION, NULL);
+	ed["Exif.Image.Software"] = software_name;
 
 	// Update the dimension tags with actual image values