Move root cause signature into service data object

This allows the analysis code to access the signature from the service
data object instead of passing around two variables in all of those
functions.

Signed-off-by: Zane Shelley <zshelle@us.ibm.com>
Change-Id: Ib85386759068aee26dc1e8b9e8d609daf7e63c1b
diff --git a/test/meson.build b/test/meson.build
index 676c518..9486773 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -15,8 +15,10 @@
 
 if gtest.found()
     foreach t : tests
-        test(t, executable(t.underscorify(), t + '.cpp', dependencies : gtest,
-             cpp_args : test_arg, include_directories : incdir))
+        test(t, executable(t.underscorify(), t + '.cpp',
+                           dependencies : [ libhei_dep, gtest ],
+                           cpp_args : test_arg,
+                           include_directories : incdir))
     endforeach
 
     test('ffdc_file_test',