Author: Ole Streicher <olebole@debian.org>
Description: Fix an off-by-one memory allocation problem
 in fitsfile.c, line 331, there is no space for a final '\0' byte
 allocated. However, there is one expected in ksearch() (hget.c, line 1203).
--- a/libwcs/fitsfile.c
+++ b/libwcs/fitsfile.c
@@ -328,7 +328,7 @@
 		nbprim = nrec * FITSBLOCK;
 		headend = ksearch (header,"END");
 		lprim = headend + 80 - header;
-		pheader = (char *) calloc ((unsigned int) nbprim, 1);
+		pheader = (char *) calloc ((unsigned int) nbprim+1, 1);
 		for (i = 0; i < lprim; i++)
 		    pheader[i] = header[i];
 		for (i = lprim; i < nbprim; i++)