[gegl] librgbe: hack around autotool problems

[Ãyvind KolÃs <ok src gnome org>]

commit ca0b3da89e52a7540673fa89f5d2b5bd665be957
Author: Ãyvind KolÃs <pippin gimp org>
Date:   Mon Feb 4 17:36:34 2013 +1100

    librgbe: hack around autotool problems

 libs/rgbe/rgbe.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/libs/rgbe/rgbe.c b/libs/rgbe/rgbe.c
index 890eb64..9b6628d 100644
--- a/libs/rgbe/rgbe.c
+++ b/libs/rgbe/rgbe.c
@@ -36,6 +36,9 @@
 #define RGBE_NUM_RGBE              4
 #define RGBE_MAX_VARIABLE_LINE_LEN 24
 
+#ifndef PACKAGE_STRING /* XXX: probably a workaround for a autotools bug... */
+#define PACKAGE_STRING "GEGL"
+#endif
 
 /* Describes the colour space of the pixel components. These values must
  * index correctly into the array RGBE_FORMAT_STRINGS for correct operation.