capitalize e-mail in list of types in bibliography

Change-Id: Ie72627e708f257e7272618d90abf7b54957112b9
Reviewed-on: https://gerrit.libreoffice.org/13076Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>

extensions/source/bibliography/sections.src

@@ -85,7 +85,7 @@ String ST_TYPE_UNPUBLISHED
 };
 String ST_TYPE_EMAIL
 {
-    Text [ en-US ] = "e-mail";
+    Text [ en-US ] = "E-mail";
 };
 String ST_TYPE_WWW
 {