commit 57892b8a2562f4aa40ef2ce37843a16d8da5457e
Author: dprunier <dominique.prunier@watch4net.com>
Date:   Mon Jan 23 17:49:05 2012

    allow access to category key from the C API

diff --git a/src/capi.cpp b/src/capi.cpp
index df85e3a..09ac669 100755
--- a/src/capi.cpp
+++ b/src/capi.cpp
@@ -1283,6 +1283,7 @@ fastbit_get_qualified_uints(FastBitQueryHandle qhandle, const char *att) {
 	    return ret;
 	}
 	if (c->type() != ibis::UINT &&
+	    c->type() != ibis::CATEGORY &&
 	    c->type() != ibis::USHORT &&
 	    c->type() != ibis::UBYTE &&
 	    c->type() != ibis::SHORT &&