Specify explicitly only the needed symbols to export from the DLL. Th…

…is is

safer wrt to possible naming conflicts and fixes linking on Windows using
gcc 13.2, which produces weak symbols, which in turn cannot be exported from
the DLL.

src/rstanarm-win.def

@@ -1,3 +1,10 @@
 LIBRARY rstanarm.dll
 EXPORTS
-
+    _rcpp_module_boot_stan_fit4bernoulli_mod
+    _rcpp_module_boot_stan_fit4binomial_mod
+    _rcpp_module_boot_stan_fit4continuous_mod
+    _rcpp_module_boot_stan_fit4count_mod
+    _rcpp_module_boot_stan_fit4jm_mod
+    _rcpp_module_boot_stan_fit4lm_mod
+    _rcpp_module_boot_stan_fit4mvmer_mod
+    _rcpp_module_boot_stan_fit4polr_mod