* install-sh: Use _inst.$$_ for temp file name.

From-SVN: r49228
diff --git a/install-sh b/install-sh
index e9de238..59bcde4 100755
--- a/install-sh
+++ b/install-sh
@@ -221,7 +221,7 @@
 
 # Make a temp file name in the proper directory.
 
-	dsttmp=$dstdir/#inst.$$#
+	dsttmp=$dstdir/_inst.$$_
 
 # Move or copy the file name to the temp name