paccache: escape . in trimming of diskspace string

Before:
==> finished dry run: 2 candidates (diskspace saved: 7. MiB)

After:
==> finished dry run: 2 candidates (diskspace saved: 7.8 MiB)

Signed-off-by: Dave Reisner <dreisner@archlinux.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/contrib/paccache.in b/contrib/paccache.in
index b191ed9a..8a8cad4b 100755
--- a/contrib/paccache.in
+++ b/contrib/paccache.in
@@ -121,7 +121,7 @@ size_to_human() {
 		}
 
 		sizestr = sprintf("%.2f", size)
-		sub(/.?0+$/, "", sizestr)
+		sub(/\.?0+$/, "", sizestr)
 		printf("%s %s", sizestr, suffix[count])
 	}'
 }