[PATCH] travis.yml: Set G_MESSAGES_DEBUG do report GLib errors

[Philippe Mathieu-Daudé]

Since commit f5852efa293 we can display GLib errors with the QEMU
error reporting API. Set it to the 'error' level, as this helps
understanding failures from QEMU calls to GLib on Travis-CI.

Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index b92798ac3b..ccf68aa9ab 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -79,6 +79,7 @@ env:
     - 
MAIN_SOFTMMU_TARGETS="aarch64-softmmu,mips64-softmmu,ppc64-softmmu,riscv64-softmmu,s390x-softmmu,x86_64-softmmu"
     - CCACHE_SLOPPINESS="include_file_ctime,include_file_mtime"
     - CCACHE_MAXSIZE=1G
+    - G_MESSAGES_DEBUG=error
 
 
 git:
-- 
2.21.1