password_entry: Header Capitalization on tooltip

See https://teams.pages.gitlab.gnome.org/Design/hig-www/feedback/tooltips.html
12 jobs for tooltip-hig in 15 minutes and 2 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  .Pre
failed style-check-diff #1399589
allowed to fail

00:02:53

 
  Build
passed fedora-x86_64 #1399590

00:09:05

passed installed-tests #1399592

00:05:32

passed msys2-mingw64 #1399593
win32-ps

00:14:57

passed release-build #1399591

00:06:12

passed vs2017-x64 #1399594
win32-ps

00:12:11

 
  Analysis
failed asan-build #1399596
asan allowed to fail

00:09:03

passed static-scan #1399595

00:12:28

 
  Docs
passed reference #1399597

00:07:50

 
  Flatpak
manual flatpak-manual:demo #1399598
flatpak allowed to fail manual
manual flatpak-manual:icon-browser #1399600
flatpak allowed to fail manual
manual flatpak-manual:widget-factory #1399599
flatpak allowed to fail manual
 
Name Stage Failure
failed
asan-build Analysis
 - css: 215 total, 215 pass, 0 fail
Processing gtk suite a11y:
- a11y: 22 total, 22 pass, 0 fail
Processing gtk suite tools:
- tools: 4 total, 4 pass, 0 fail
Processing gtk suite reftest:
- reftest: 131 total, 131 pass, 0 fail
Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
style-check-diff .Pre
 
entry->peek_icon = gtk_image_new_from_icon_name ("eye-not-looking-symbolic");
- gtk_widget_set_tooltip_text (entry->peek_icon, _("Show Text"));
+ gtk_widget_set_tooltip_text (entry->peek_icon, _ ("Show Text"));
gtk_widget_set_parent (entry->peek_icon, GTK_WIDGET (entry));

press = gtk_gesture_click_new ();
Cleaning up file based variables
ERROR: Job failed: exit code 1