When in gif mode do not let .gif files stay around

git-svn-id: file:///home/users/tmap/svn/repos/ferret/trunk@14748 fdbf22ae-c210-0410-be80-ca943da6b8f8

Author: ansley

bench/ansley_official.linux_err

@@ -1,10 +1,10 @@
 Procedure run_all to run all FERRET benchmarks
 Running FERRET version /home/users/ansley/build/linux/FERRET/fer/ferret_c
--rwxr-xr-x 1 ansley tmap 42552449 Aug 17 14:33 /home/users/ansley/build/linux/FERRET/fer/ferret_c
+-rwxr-xr-x 1 ansley tmap 42556707 Aug 20 14:56 /home/users/ansley/build/linux/FERRET/fer/ferret_c
 Using external functions from /home/users/ansley/build/linux/FERRET/external_functions/ext_func
 Running the tests of external functions y
 Benchmark run by ansley
-Note: fixing ticket 1958: New mode shrink_ylab
+Note: fixing gif mode; don't allow .gif files to stay around
 ncdump output will be in all_ncdump.out, and appended to this log file 
 ***** Restricting Ferret paths to bench directory *****
 FER_DAT=.
@@ -21,7 +21,7 @@ FER_LINK_DIR=/home/users/tmap/ferret_link/linux
 FER_PALETTE=. /home/users/tmap/ferret/linux/ppl
 FER_WEB_BROWSER=netscape -ncols 60
 PWD=/home/users/ansley/build/linux/FERRET/bench
-Beginning at Fri Aug 17 14:33:54 PDT 2012
+Beginning at Mon Aug 20 14:58:01 PDT 2012
  PERMANENT data cleared from memory
  TEMPORARY data cleared from memory
         SET EXPRESSION has not been given or implied
@@ -3405,4 +3405,4 @@ vector/i=1:10/j=1:20/nolabel i/j,j/i,i+j
 Re-defining viewport LM6
 Re-defining viewport UM6
  *** NOTE: Cannot create new windows when batch mode set
-Ended at Fri Aug 17 14:35:24 PDT 2012
+Ended at Mon Aug 20 14:59:28 PDT 2012