Fix few spelling issues in comments

(Stefan Weil)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4187 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 3f7a01d..d6a5f33 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -1908,7 +1908,7 @@
 
 /* Signed saturating arithmetic.  */
 
-/* Perform 16-bit signed satruating addition.  */
+/* Perform 16-bit signed saturating addition.  */
 static inline uint16_t add16_sat(uint16_t a, uint16_t b)
 {
     uint16_t res;
@@ -1923,7 +1923,7 @@
     return res;
 }
 
-/* Perform 8-bit signed satruating addition.  */
+/* Perform 8-bit signed saturating addition.  */
 static inline uint8_t add8_sat(uint8_t a, uint8_t b)
 {
     uint8_t res;
@@ -1938,7 +1938,7 @@
     return res;
 }
 
-/* Perform 16-bit signed satruating subtraction.  */
+/* Perform 16-bit signed saturating subtraction.  */
 static inline uint16_t sub16_sat(uint16_t a, uint16_t b)
 {
     uint16_t res;
@@ -1953,7 +1953,7 @@
     return res;
 }
 
-/* Perform 8-bit signed satruating subtraction.  */
+/* Perform 8-bit signed saturating subtraction.  */
 static inline uint8_t sub8_sat(uint8_t a, uint8_t b)
 {
     uint8_t res;