column memory leak fix

[Loganaden Velvindron]

Hi All,

>From NetBSD:

Plug memory leak. Coverity CID 1596

Index: src/usr.bin/column/column.c
===================================================================
RCS file: /cvs/src/usr.bin/column/column.c,v
retrieving revision 1.16
diff -u -p -r1.16 column.c
--- src/usr.bin/column/column.c 26 Nov 2013 13:18:55 -0000      1.16
+++ src/usr.bin/column/column.c 30 Dec 2013 06:38:02 -0000
@@ -241,6 +241,9 @@ maketbl(void)
                        (void)printf("%s\n", t->list[coloff]);
                }
        }
+       free(tbl);
+       free(cols);
+       free(lens);
 }
 
 #define        DEFNUM          1000