[evolution-ews] I#56 - README: Correct typo

[Milan Crha <mcrha src gnome org>]

commit 28272a33805672b89bdb49b59f587848c7dd6ff0
Author: bby-bishopclark <30503374+bby-bishopclark users noreply github com>
Date:   Fri Aug 9 07:53:05 2019 -0700

    I#56 - README: Correct typo
    
    Assuming it was 'pipe-lining' and not 'piping', here's a correction to 'pipe-ling', which may not be 
English.
    
    Closes https://gitlab.gnome.org/GNOME/evolution-ews/issues/56

 README | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/README b/README
index 97ffb706..13d18630 100644
--- a/README
+++ b/README
@@ -103,7 +103,7 @@ prioritizing the client requests.
 Separate out the prioritizing client requests and make it common to all 
 providers.
 
-Is pipe-ling requests possible?
+Is pipe-lining requests possible?