fix a typo (#970)

zxu123 · web-flow · commit 38170347b9f7 · 2018-03-23T20:54:16.000-04:00
fix a typo caused in the merge a2a109b (0ccfd6a)
diff --git a/Firestore/Example/Tests/Local/FSTQueryCacheTests.mm b/Firestore/Example/Tests/Local/FSTQueryCacheTests.mm
@@ -424,7 +424,7 @@ - (FSTQueryData *)queryDataWithQuery:(FSTQuery *)query
                                  resumeToken:resumeToken];
 }
 
-- (void)addMatchingKey:(cons DocumentKey &)key
+- (void)addMatchingKey:(const DocumentKey &)key
            forTargetID:(FSTTargetID)targetID
                  group:(FSTWriteGroup *)group {
   FSTDocumentKeySet *keys = [FSTDocumentKeySet keySet];

Original file line number	Diff line number	Diff line change
`@@ -424,7 +424,7 @@ - (FSTQueryData )queryDataWithQuery:(FSTQuery )query`
`424`	`424`	`resumeToken:resumeToken];`
`425`	`425`	`}`
`426`	`426`
`427`		`-- (void)addMatchingKey:(cons DocumentKey &)key`
	`427`	`+- (void)addMatchingKey:(const DocumentKey &)key`
`428`	`428`	`forTargetID:(FSTTargetID)targetID`
`429`	`429`	`group:(FSTWriteGroup *)group {`
`430`	`430`	`FSTDocumentKeySet *keys = [FSTDocumentKeySet keySet];`