Fix some typos

Fix typos and common misspellings in code comments and log messages.

Change-Id: Ie66b89065f2100c1d2125ce5a6c9b1d58df7c8ad
diff --git a/src/libmsc/gsm_04_08_cc.c b/src/libmsc/gsm_04_08_cc.c
index 7e2d70b..4e604e5 100644
--- a/src/libmsc/gsm_04_08_cc.c
+++ b/src/libmsc/gsm_04_08_cc.c
@@ -280,7 +280,7 @@
 			mncc_set_cause(&rel, GSM48_CAUSE_LOC_PRN_S_LU, GSM48_CC_CAUSE_RESOURCE_UNAVAIL);
 			gsm48_cc_tx_release(trans, &rel);
 		}
-		/* Ressource unavailable */
+		/* Resource unavailable */
 		if (trans->cc.mncc_initiated)
 			mncc_release_ind(trans->net, trans, trans->callref,
 					 GSM48_CAUSE_LOC_PRN_S_LU,
@@ -1922,7 +1922,7 @@
 		if (!trans) {
 			LOG_TRANS(trans, LOGL_ERROR, "No memory for trans.\n");
 			vlr_subscr_put(vsub, __func__);
-			/* Ressource unavailable */
+			/* Resource unavailable */
 			mncc_release_ind(net, NULL, data->callref,
 					 GSM48_CAUSE_LOC_PRN_S_LU,
 					 GSM48_CC_CAUSE_RESOURCE_UNAVAIL);