https://bugs.gentoo.org/830572
--- a/src/mod_fdm_config.h
+++ b/src/mod_fdm_config.h
@@ -36,5 +36,5 @@
 #define MOD_FDM_USE_MCOPTER01   1
 
-#define MOD_FDM_INFOSTR  "CRRCSim "PACKAGE_VERSION
+#define MOD_FDM_INFOSTR  "CRRCSim " PACKAGE_VERSION