Preprocessor: fix error message when “ramsey_policy” follows a “ramsey_model” statement

(manually cherry picked from commit f52ce511)

Preprocessor: fix error message when “ramsey_policy” follows a “ramsey_model” statement
ea8855a3 · Sébastien Villemot · 035767fe · a83265ee · d4a75bf4 · a83265ee
Verified Commit ea8855a3 authored 3 years ago by Sébastien Villemot
--- a/preprocessor @ a83265ee
+++ b/preprocessor @ a83265ee
-Subproject commit d4a75bf469685e073debf7d59f0b6ff1dbbb63a7
+Subproject commit a83265eefd468ccfa4d1a9d06021b3ae801cd5d9