Fix typos in comments

Author: villfa

ext/fileinfo/tests/cve-2014-3538-mb.phpt

@@ -1,5 +1,5 @@
 --TEST--
-Bug #66731: file: extensive backtraking
+Bug #66731: file: extensive backtracking
 --SKIPIF--
 <?php
 if (!class_exists('finfo'))

ext/fileinfo/tests/cve-2014-3538-nojit.phpt

@@ -1,5 +1,5 @@
 --TEST--
-Bug #66731: file: extensive backtraking, with pcre.jit=0
+Bug #66731: file: extensive backtracking, with pcre.jit=0
 --SKIPIF--
 <?php
 if (defined("PHP_DEBUG") && PHP_DEBUG)

ext/opcache/jit/zend_jit_internal.h

@@ -207,7 +207,7 @@ typedef enum _zend_jit_trace_stop {
 #define ZEND_JIT_EXIT_BLACKLISTED   (1<<1)
 #define ZEND_JIT_EXIT_TO_VM         (1<<2) /* exit to VM without attempt to create a side trace */
 #define ZEND_JIT_EXIT_RESTORE_CALL  (1<<3) /* deoptimizer should restore EX(call) chain */
-#define ZEND_JIT_EXIT_POLYMORPHISM  (1<<4) /* exit becaus of polymorphic call */
+#define ZEND_JIT_EXIT_POLYMORPHISM  (1<<4) /* exit because of polymorphic call */
 
 typedef union _zend_op_trace_info {
 	zend_op dummy; /* the size of this structure must be the same as zend_op */

ext/spl/spl_directory.c

@@ -2259,7 +2259,7 @@ PHP_METHOD(SplFileObject, valid)
 } /* }}} */
 
 /* {{{ proto string SplFileObject::fgets()
-   Rturn next line from file */
+   Return next line from file */
 PHP_METHOD(SplFileObject, fgets)
 {
 	spl_filesystem_object *intern = Z_SPLFILESYSTEM_P(ZEND_THIS);