Patch: Spelling correction

[Khalid El Fathi]

--- a/src/mares_common.c
+++ b/src/mares_common.c
@@ -91,7 +91,7 @@
                        else if (ascii >= 'a' && ascii <= 'f')
                                number = 10 + ascii - 'a';
                        else
-                               WARNING ("Invalid charachter.");
+                               WARNING ("Invalid character.");

                        value <<= 4;
                        value += number;
--- a/src/uwatec_memomouse.c
+++ b/src/uwatec_memomouse.c
@@ -413,7 +413,7 @@
                // Wait for the answer (ACK).
                n = serial_read (device->port, &answer, 1);
                if (n != 1) {
-                       WARNING ("Failed to recieve the answer.");
+                       WARNING ("Failed to receive the answer.");
                        return EXITCODE (n);
                }
        }