update-translated-strings.sh: Disable fuzzy matching

This doesn't really matter in practice, because I always sync with
Transifex before running updated-translated-strings.sh, and then
there can't be any fuzzy matches. But we might as well disable fuzzy
matching explicitly, becase the results can be quite odd.
This should make the script a bit faster too.

Languages/update-translated-strings.sh

@@ -7,4 +7,4 @@
 
 cd "$(dirname "$0")/.."
 POTFILE=./Languages/po/dolphin-emu.pot
-find ./Languages/po -name '*.po' -exec msgmerge --quiet --update --backup=none -s {} $POTFILE \;
+find ./Languages/po -name '*.po' -exec msgmerge --quiet --update -N --backup=none -s {} $POTFILE \;