Export of internal Abseil changes

--
1ef58d4aefffb2f90a38a89e26057c1e484a3b4b by Abseil Team <absl-team@google.com>:

Fixed typo

PiperOrigin-RevId: 340342194
GitOrigin-RevId: 1ef58d4aefffb2f90a38a89e26057c1e484a3b4b
Change-Id: I75b601f7c2b7737b4b34673aafbcd30cdfd4a4e8

absl/container/fixed_array.h

@@ -232,8 +232,8 @@ class FixedArray {
 
   // FixedArray::at
   //
-  // Bounds-checked access.  Returns a reference to the ith element of the
-  // fiexed array, or throws std::out_of_range
+  // Bounds-checked access.  Returns a reference to the ith element of the fixed
+  // array, or throws std::out_of_range
   reference at(size_type i) {
     if (ABSL_PREDICT_FALSE(i >= size())) {
       base_internal::ThrowStdOutOfRange("FixedArray::at failed bounds check");