[media] docs-rst: escape [] characters

Those characters are used for citations. Better to escape, to
avoid them to be misinterpreted.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/Documentation/media/uapi/v4l/vidioc-enuminput.rst b/Documentation/media/uapi/v4l/vidioc-enuminput.rst
index 5060f54..1ea7713 100644
--- a/Documentation/media/uapi/v4l/vidioc-enuminput.rst
+++ b/Documentation/media/uapi/v4l/vidioc-enuminput.rst
@@ -61,7 +61,7 @@
 
        -  __u8
 
-       -  ``name``\ [32]
+       -  ``name``\ \[32\]
 
        -  Name of the video input, a NUL-terminated ASCII string, for
 	  example: "Vin (Composite 2)". This information is intended for the
@@ -141,7 +141,7 @@
 
        -  __u32
 
-       -  ``reserved``\ [3]
+       -  ``reserved``\ \[3\]
 
        -  Reserved for future extensions. Drivers must set the array to
 	  zero.