Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index e243131..f07643e 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1123,7 +1123,7 @@
  * @number: the lock number
  * @glops: the glock operations for the type of glock
  * @state: the state to acquire the glock in
- * @flags: modifier flags for the aquisition
+ * @flags: modifier flags for the acquisition
  * @gh: the struct gfs2_holder
  *
  * Returns: errno