README.rst: Add missing libgtest-dev dependency for lc-compliance

lc-compliance requires gtest. When not available on the system, we
install it using a meson wrap, but it is still better to install the
system package. Add it as a dependency in README.rst.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/README.rst b/README.rst
index 4db454de..315738ee 100644
--- a/README.rst
+++ b/README.rst
@@ -97,7 +97,7 @@ for android: [optional]
         libexif-dev libjpeg-dev
 
 for lc-compliance: [optional]
-        libevent-dev
+        libevent-dev libgtest-dev
 
 for abi-compat.sh: [optional]
         abi-compliance-checker