Fix typos

Author: adamretter

src/main/java/org/apache/commons/codec/binary/Base32.java

@@ -618,7 +618,7 @@ private void validateTrailingCharacters() {
         if (isStrictDecoding()) {
             throw new IllegalArgumentException(
                 "Strict decoding: Last encoded character(s) (before the paddings if any) are valid base 32 alphabet but not a possible encoding. " +
-                "Decoding requries either 2, 4, 5, or 7 trailing 5-bit characters to create bytes.");
+                "Decoding requires either 2, 4, 5, or 7 trailing 5-bit characters to create bytes.");
         }
     }
 }

src/main/java/org/apache/commons/codec/binary/Base64.java

@@ -841,7 +841,7 @@ private void validateTrailingCharacter() {
         if (isStrictDecoding()) {
             throw new IllegalArgumentException(
                 "Strict decoding: Last encoded character (before the paddings if any) is a valid base 64 alphabet but not a possible encoding. " +
-                "Decoding requries at least two trailing 6-bit characters to create bytes.");
+                "Decoding requires at least two trailing 6-bit characters to create bytes.");
         }
     }