Silence minor clang-tidy warnings

./src/KDUtils/bytearray.cpp:207:switching on non-enum value without default case may not cover all cases
./src/KDUtils/bytearray.cpp:256:'data' should be used for accessing the data pointer instead of taking the address of the 0-th element

Change-Id: Ie96b3226d1c3a29c1d8f873a6ff3b11fb0991e6f
Reviewed-on: https://codereview.kdab.com/c/kdab/kdutils/+/136242
Tested-by: Continuous Integration <[email protected]>
Reviewed-by: Mike Krus <[email protected]>

src/KDUtils/bytearray.cpp

@@ -220,6 +220,7 @@ ByteArray ByteArray::toBase64() const
         break;
 
     case 0:
+    default: // silence clang-tidy
         break;
     }
 
@@ -253,7 +254,7 @@ int8_t *getInverseB64Table()
         for (uint8_t i = 0; i < 255; ++i)
             table[i] = getInverseFromB64(i);
     }
-    return &table[0];
+    return table.data();
 }
 
 } // namespace