[PATCH] tests/docker: Include 'ccache' in Debian base image

[Philippe Mathieu-Daudé]

Include the 'ccache' package to speed up compilation.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 tests/docker/dockerfiles/debian10.docker | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/docker/dockerfiles/debian10.docker 
b/tests/docker/dockerfiles/debian10.docker
index 73a3caac9cd..9d42b5a4b81 100644
--- a/tests/docker/dockerfiles/debian10.docker
+++ b/tests/docker/dockerfiles/debian10.docker
@@ -20,6 +20,7 @@ RUN apt update && \
         bc \
         build-essential \
         ca-certificates \
+        ccache \
         clang \
         dbus \
         gdb-multiarch \
-- 
2.26.2