[svn-r30235] HDFFV-9730: Fix functions for delete to use a specific dir instead of a possibly uninitialized variable.

tools/h5diff/testh5diff.sh.in

@@ -374,7 +374,7 @@ CLEAN_TESTFILES_AND_TESTDIR()
     # skip rm if srcdir is same as destdir
     # this occurs when build/test performed in source dir and
     # make cp fail
-    SDIR=`$DIRNAME $tstfile`
+    SDIR=$SRC_H5DIFF_TESTFILES
     INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'`
     INODE_DDIR=`$LS -i -d $TESTDIR | $AWK -F' ' '{print $1}'`
     if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then