Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 904aa47..2644a5d 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -5247,7 +5247,7 @@
 	 * Samba server ignores set of file size to zero due to bugs in some
 	 * older clients, but we should be precise - we use SetFileSize to
 	 * set file size and do not want to truncate file size to zero
-	 * accidently as happened on one Samba server beta by putting
+	 * accidentally as happened on one Samba server beta by putting
 	 * zero instead of -1 here
 	 */
 	data_offset->EndOfFile = cpu_to_le64(NO_CHANGE_64);