Changed triple dots to ellipsis

Reported at Transifex. See https://www.transifex.com/nextcloud/nextcloud/translate/#af/$/179607566?q=issue%3Aopen

Signed-off-by: Mark Ziegler <mark.ziegler@rakekniven.de>

iOSClient/Supporting Files/en.lproj/Localizable.strings

@@ -464,8 +464,8 @@
 "_enforce_password_protection_" = "Enforce password protection";
 "_password_obligatory_"         = "Enforce password protection enabled, password obligatory";
 "_shared_with_you_by_"          = "Shared with you by";
-"_shareLinksearch_placeholder_" = "Search for user or group...";
-"_new_comment_"                 = "New comment ...";
+"_shareLinksearch_placeholder_" = "Search for user or group…";
+"_new_comment_"                 = "New comment…";
 "_edit_comment_"                = "Edit comment";
 "_delete_comment_"              = "Delete comment";
 "_share_allow_editing_"         = "Allow editing";