[evolution-data-server] I#137 - POSIX locale tests fail with ICU 64.x

[Milan Crha <mcrha src gnome org>]

commit fe4ac94ce3c14f200e049a5d102fc0e4b811c71e
Author: Milan Crha <mcrha redhat com>
Date:   Tue Jul 16 07:22:07 2019 +0200

    I#137 - POSIX locale tests fail with ICU 64.x
    
    Closes https://gitlab.gnome.org/GNOME/evolution-data-server/issues/137

 src/libedataserver/e-collator.c | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/src/libedataserver/e-collator.c b/src/libedataserver/e-collator.c
index 718eac5da..ec2cf7951 100644
--- a/src/libedataserver/e-collator.c
+++ b/src/libedataserver/e-collator.c
@@ -132,6 +132,11 @@ canonicalize_locale (const gchar *posix_locale,
        gint   len;
        const gchar *collation_type = NULL;
 
+       if (posix_locale && (
+           g_ascii_strcasecmp (posix_locale, "C") == 0 ||
+           g_ascii_strcasecmp (posix_locale, "POSIX") == 0))
+               posix_locale = "en_US_POSIX";
+
        len = uloc_canonicalize (posix_locale, locale_buffer, LOCALE_BUFFER_LEN, &status);
 
        if (U_FAILURE (status)) {