[libgxps] Add GXPS_VERSION_STRING macro with the version number as a string

[Carlos Garcia Campos <carlosgc src gnome org>]

commit b1f6b095de401b9eef60ff54565e3c6f5bbb454b
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Sat Jan 21 09:52:52 2012 +0100

    Add GXPS_VERSION_STRING macro with the version number as a string

 docs/reference/libgxps-sections.txt |    1 +
 libgxps/gxps-version.h.in           |    7 +++++++
 2 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/libgxps-sections.txt b/docs/reference/libgxps-sections.txt
index 49c32be..ccbf791 100644
--- a/docs/reference/libgxps-sections.txt
+++ b/docs/reference/libgxps-sections.txt
@@ -142,5 +142,6 @@ gxps_error_quark
 GXPS_MAJOR_VERSION
 GXPS_MINOR_VERSION
 GXPS_MICRO_VERSION
+GXPS_VERSION_STRING
 GXPS_CHECK_VERSION
 </SECTION>
diff --git a/libgxps/gxps-version.h.in b/libgxps/gxps-version.h.in
index cb15cd4..6ad02e8 100644
--- a/libgxps/gxps-version.h.in
+++ b/libgxps/gxps-version.h.in
@@ -58,6 +58,13 @@
 #define GXPS_MICRO_VERSION(@GXPS_MICRO_VERSION@)
 
 /**
+ * GXPS_VERSION_STRING:
+ *
+ * The version number of the GXPS library as a string
+ */
+#define GXPS_VERSION_STRING "@PACKAGE_VERSION@"
+
+/**
  * GXPS_CHECK_VERSION:
  * @major: major version (e.g. 0 for version 0.1.2)
  * @minor: minor version (e.g. 1 for version 0.1.2)