Fix some typos

src/test/debuginfo/generic-struct-style-enum.rs

@@ -53,7 +53,7 @@ enum Univariant<T> {
 
 fn main() {
 
-    // In order to avoid endianess trouble all of the following test values consist of a single
+    // In order to avoid endianness trouble all of the following test values consist of a single
     // repeated byte. This way each interpretation of the union should look the same, no matter if
     // this is a big or little endian machine.
 

src/test/debuginfo/generic-tuple-style-enum.rs

@@ -71,7 +71,7 @@ enum Univariant<T64> {
 
 fn main() {
 
-    // In order to avoid endianess trouble all of the following test values consist of a single
+    // In order to avoid endianness trouble all of the following test values consist of a single
     // repeated byte. This way each interpretation of the union should look the same, no matter if
     // this is a big or little endian machine.
 

src/test/debuginfo/struct-in-enum.rs

@@ -66,7 +66,7 @@ enum Univariant {
 
 fn main() {
 
-    // In order to avoid endianess trouble all of the following test values consist of a single
+    // In order to avoid endianness trouble all of the following test values consist of a single
     // repeated byte. This way each interpretation of the union should look the same, no matter if
     // this is a big or little endian machine.
 

src/test/debuginfo/struct-style-enum.rs

@@ -68,7 +68,7 @@ enum Univariant {
 
 fn main() {
 
-    // In order to avoid endianess trouble all of the following test values consist of a single
+    // In order to avoid endianness trouble all of the following test values consist of a single
     // repeated byte. This way each interpretation of the union should look the same, no matter if
     // this is a big or little endian machine.
 

src/test/debuginfo/tuple-style-enum.rs

@@ -68,7 +68,7 @@ enum Univariant {
 
 fn main() {
 
-    // In order to avoid endianess trouble all of the following test values consist of a single
+    // In order to avoid endianness trouble all of the following test values consist of a single
     // repeated byte. This way each interpretation of the union should look the same, no matter if
     // this is a big or little endian machine.
 

src/test/debuginfo/unique-enum.rs

@@ -59,7 +59,7 @@ enum Univariant {
 
 fn main() {
 
-    // In order to avoid endianess trouble all of the following test values consist of a single
+    // In order to avoid endianness trouble all of the following test values consist of a single
     // repeated byte. This way each interpretation of the union should look the same, no matter if
     // this is a big or little endian machine.