C++ tests: Fix link errors on MSVC

[Bruno Haible]

Link errors were accidentally introduced on 2020-05-31. Most of them were
fixed on 2020-06-27, but I forgot to test the C++ tests as well.


2020-08-16  Bruno Haible  <bruno@clisp.org>

        C++ tests: Fix link errors on MSVC (regression from 2020-05-31).
        * modules/stdio-c++-tests (Makefile.am): Link test-stdio-c++ with
        $(LIB_GETRANDOM), needed for the rpl_tmpfile symbol.
        * modules/stdlib-c++-tests (Makefile.am): Link test-stdlib-c++ with
        $(LIB_GETRANDOM), needed for the mkdtemp and mkstemp symbols.

diff --git a/modules/stdio-c++-tests b/modules/stdio-c++-tests
index 05e7544..df8ba4e 100644
--- a/modules/stdio-c++-tests
+++ b/modules/stdio-c++-tests
@@ -16,5 +16,5 @@ if ANSICXX
 TESTS += test-stdio-c++
 check_PROGRAMS += test-stdio-c++
 test_stdio_c___SOURCES = test-stdio-c++.cc test-stdio-c++2.cc
-test_stdio_c___LDADD = $(LDADD) $(LIBINTL) $(LIB_NANOSLEEP) $(LIB_EACCESS)
+test_stdio_c___LDADD = $(LDADD) $(LIBINTL) $(LIB_NANOSLEEP) $(LIB_EACCESS) 
$(LIB_GETRANDOM)
 endif
diff --git a/modules/stdlib-c++-tests b/modules/stdlib-c++-tests
index 634a2b3..1089c46 100644
--- a/modules/stdlib-c++-tests
+++ b/modules/stdlib-c++-tests
@@ -16,5 +16,5 @@ if ANSICXX
 TESTS += test-stdlib-c++
 check_PROGRAMS += test-stdlib-c++
 test_stdlib_c___SOURCES = test-stdlib-c++.cc test-stdlib-c++2.cc
-test_stdlib_c___LDADD = $(LDADD) $(LIBINTL) $(LIB_CLOCK_GETTIME) $(LIB_EACCESS)
+test_stdlib_c___LDADD = $(LDADD) $(LIBINTL) $(LIB_CLOCK_GETTIME) 
$(LIB_EACCESS) $(LIB_GETRANDOM)
 endif