[newlib-cygwin] Fix the documentation comments for log_inline in pow

[Corinna Vinschen <corinna at sourceware dot org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=358f3c61d651b06626126423140b825b6a1ea3d8

commit 358f3c61d651b06626126423140b825b6a1ea3d8
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date:   Tue Jul 10 17:13:27 2018 +0100

    Fix the documentation comments for log_inline in pow
    
    There was a typo and the arguments were not explained clearly.

Diff:
---
 newlib/libm/common/pow.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/newlib/libm/common/pow.c b/newlib/libm/common/pow.c
index a5504e5..e02817e 100644
--- a/newlib/libm/common/pow.c
+++ b/newlib/libm/common/pow.c
@@ -53,9 +53,9 @@ top12 (double x)
   return asuint64 (x) >> 52;
 }
 
-/* Compute y+tail = log(x) where the rounded result is y and tail has about
-   additional 15 bits precision.  The bit representation of x if in ix, but
-   normalized in the subnormal range using sign bit too for the exponent.  */
+/* Compute y+TAIL = log(x) where the rounded result is y and TAIL has about
+   additional 15 bits precision.  IX is the bit representation of x, but
+   normalized in the subnormal range using the sign bit for the exponent.  */
 static inline double_t
 log_inline (uint64_t ix, double_t *tail)
 {