[gnome-online-accounts/wip/rishi/meson-polish] build: Namespace the variable for the libgoawebextension.so sources

[Debarshi Ray <debarshir src gnome org>]

commit 34b8048afc15cb5b572b47402e3e00ec12d8814f
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri Dec 20 20:24:28 2019 +0100

    build: Namespace the variable for the libgoawebextension.so sources
    
    https://gitlab.gnome.org/GNOME/gnome-online-accounts/merge_requests/41

 src/goabackend/meson.build | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/goabackend/meson.build b/src/goabackend/meson.build
index 0831a3e9..4a3aec85 100644
--- a/src/goabackend/meson.build
+++ b/src/goabackend/meson.build
@@ -145,7 +145,7 @@ pkg.generate(
   variables: 'exec_prefix=${prefix}'
 )
 
-sources = files(
+libgoawebextension_sources = files(
   'goawebextension.c',
   'goawebextensionmain.c'
 )
@@ -157,7 +157,7 @@ deps = [
 
 libgoa_web_extension = shared_module(
   'goawebextension',
-  sources + libgoa_backend_headers_built,
+  libgoawebextension_sources + libgoa_backend_headers_built,
   include_directories: common_incs + [goa_inc],
   dependencies: deps,
   c_args: cflags,