[PATCH, GCC/ARM] Fix typo in comment in arm_expand_prologue

[Thomas Preudhomme]

Committed this obvious typo fix for a comment in arm_expand_prologue.

ChangeLog entry is as follows:

*** gcc/ChangeLog ***

2017-05-24  Thomas Preud'homme  <thomas.preudho...@arm.com>

        * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.

Best regards,

Thomas

diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index a465fc2b29f8ca4b0e5689c0c32025a5aa063e3a..62e4e89ef470a9f3fb2f751bea25c6711c29d6c9 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -21609,7 +21609,7 @@ arm_expand_prologue (void)
 	{
 	  /* If no coprocessor registers are being pushed and we don't have
 	     to worry about a frame pointer then push extra registers to
-	     create the stack frame.  This is done is a way that does not
+	     create the stack frame.  This is done in a way that does not
 	     alter the frame layout, so is independent of the epilogue.  */
 	  int n;
 	  int frame;