Strip newline characters from user password files

Makes it easier to create those files with a regular editor.

OpenChange/MAPIStoreUserContext.m

@@ -20,6 +20,7 @@
  * Boston, MA 02111-1307, USA.
  */
 
+#import <Foundation/NSCharacterSet.h>
 #import <Foundation/NSData.h>
 #import <Foundation/NSDictionary.h>
 #import <Foundation/NSMapTable.h>
@@ -116,6 +117,8 @@ static NSMapTable *contextsTable = nil;
       password = [[NSString alloc] initWithData: content
                                        encoding: NSUTF8StringEncoding];
       [password autorelease];
+      password = [password stringByTrimmingCharactersInSet:
+                  [NSCharacterSet characterSetWithCharactersInString: @"\r\n"]];
     }
 
   return password;