Consistently use past tense in 3.4.3 changelog (#6571)

extra/CHANGES.txt

@@ -2,21 +2,21 @@
 
 	Bugfixes:
 
-	all : fix DCE issue with interface fields (#6502)
-	cpp : fix return typing for embedded closures (#6121)
-	php7: fix `@:enum abstract` generation  without `-dce full` (#6175)
-	php7: fix using enum constructor with arguments as a call argument (#6177)
-	php7: fix accessing methods on dynamic values (#6211)
-	php7: fix `null` property access (#6281)
-	php7: fix setting values in a map stored in another map (#6257)
+	all : fixed DCE issue with interface fields (#6502)
+	cpp : fixed return typing for embedded closures (#6121)
+	php7: fixed `@:enum abstract` generation  without `-dce full` (#6175)
+	php7: fixed using enum constructor with arguments as a call argument (#6177)
+	php7: fixed accessing methods on dynamic values (#6211)
+	php7: fixed `null` property access (#6281)
+	php7: fixed setting values in a map stored in another map (#6257)
 	php7: implemented `php.Lib.mail()`
 	php7: implemented `php.Lib.loadLib()`
 	php7: implemented `php.Lib.getClasses()` (#6384)
-	php7: fix exception on `Reflect.getProperty(o, field)` if requested field does not exist (#6559)
+	php7: fixed exception on `Reflect.getProperty(o, field)` if requested field does not exist (#6559)
 	php/php7: fixed accessing enum constructors on enum type stored to a variable (#6159)
-	php/php7: fix "cannot implement previously implemented interface" (#6208)
-	php: fix invoking functions stored in dynamic static vars (#6158)
-	php: fix field access on `new MyClass()` expressions wrapped in a `cast` (#6294)
+	php/php7: fixed "cannot implement previously implemented interface" (#6208)
+	php: fixed invoking functions stored in dynamic static vars (#6158)
+	php: fixed field access on `new MyClass()` expressions wrapped in a `cast` (#6294)
 	macro : fixed bug in addClassPath that overwrites macro class paths with context class paths
 
 2017-03-20: 3.4.2