Fix whitespace damage: double space changed to a tab

At some point an intentional double space at the end of the sentence
got changed into a tab in the GPL header line:
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

This patch fixes the damage.

Signed-off-by: Gerald Van Baren <vanbaren@cideas.com>
diff --git a/drivers/usb/usb_ohci.c b/drivers/usb/usb_ohci.c
index d68fdcf..0bbee0f 100644
--- a/drivers/usb/usb_ohci.c
+++ b/drivers/usb/usb_ohci.c
@@ -27,7 +27,7 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
diff --git a/drivers/video/mb862xx.c b/drivers/video/mb862xx.c
index 22a85d1..01eda55 100644
--- a/drivers/video/mb862xx.c
+++ b/drivers/video/mb862xx.c
@@ -12,7 +12,7 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
diff --git a/drivers/video/smiLynxEM.c b/drivers/video/smiLynxEM.c
index 59b43ef..2001e9c 100644
--- a/drivers/video/smiLynxEM.c
+++ b/drivers/video/smiLynxEM.c
@@ -12,7 +12,7 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License