[glibc] powerpc: Fix typos and field name in comments

[Tulio Magno Quites Machado Filho <tuliom at sourceware dot org>]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c8c8160ceebb6dc1f95d626ab32c43126c4290fd

commit c8c8160ceebb6dc1f95d626ab32c43126c4290fd
Author: Gustavo Romero <gromero@linux.vnet.ibm.com>
Date:   Mon Aug 12 23:40:30 2019 -0400

    powerpc: Fix typos and field name in comments
    
    Fix a couple of typos and v_regs field name in mcontext_t.
    
    	* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: Fix typos and
    	field name in mcontext_t struct.
    
    Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>

Diff:
---
 ChangeLog                                      | 5 +++++
 sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h | 8 ++++----
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index c556c79..2ba78ff 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2019-08-22  Gustavo Romero  <gromero@linux.vnet.ibm.com>
+
+	* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: Fix typos and
+	field name in mcontext_t struct.
+
 2019-08-22  Joseph Myers  <joseph@codesourcery.com>
 
 	* resolv/tst-resolv-ai_idn-latin1.c (do_test): Mark test
diff --git a/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h b/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h
index 640381a..6093ade 100644
--- a/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h
+++ b/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h
@@ -75,12 +75,12 @@ typedef struct
  * a sigcontext.  For older kernel (without Altivec) the sigcontext matches
  * the mcontext upto but not including the v_regs field.  For kernels that
  * don't set AT_HWCAP or return AT_HWCAP without PPC_FEATURE_HAS_ALTIVEC the
- * v_regs field may not exist and should not be referenced.  The v_regd field
- * can be refernced safely only after verifying that PPC_FEATURE_HAS_ALTIVEC
+ * v_regs field may not exist and should not be referenced.  The v_regs field
+ * can be referenced safely only after verifying that PPC_FEATURE_HAS_ALTIVEC
  * is set in AT_HWCAP.  */
 
 /* Number of general registers.  */
-# define __NGREG	48	/* includes r0-r31, nip, msr, lr, etc.   */
+# define __NGREG	48	/* includes r0-r31, nip, msr, lr, etc.  */
 # define __NFPREG	33	/* includes fp0-fp31 &fpscr.  */
 # define __NVRREG	34	/* includes v0-v31, vscr, & vrsave in
 				   split vectors */
@@ -136,7 +136,7 @@ typedef struct {
  * either NULL (if this processor does not support the VMX feature) or the
  * address of the first quadword within the allocated (vmx_reserve) area.
  *
- * The pointer (v_regs) of vector type (elf_vrreg_t) is essentually
+ * The pointer (v_regs) of vector type (elf_vrreg_t) is essentially
  * an array of 34 quadword entries.  The entries with
  * indexes 0-31 contain the corresponding vector registers.  The entry with
  * index 32 contains the vscr as the last word (offset 12) within the