[PATCH v7 6/7] app/procinfo: fix some wrong doxygen syntax

[Pattan, Reshma]

> -----Original Message-----
> From: Dongdong Liu <liudongdong3 at huawei.com>
> Signed-off-by: Dongdong Liu <liudongdong3 at huawei.com>

If no need to follow style of  API comments I am fine with the changes. 

Acked-by: Reshma Pattan <reshma.pattan at intel.com>