Add missing includes for std::runtime_error (#728)

examples/cmake_synthetic/test_libb.cpp

@@ -1,6 +1,7 @@
 #include "libb.h"
 
 #include <iostream>
+#include <stdexcept>
 #include <string>
 
 int main(int argc, char* argv[])

examples/cmake_with_bazel_transitive/test_libb.cpp

@@ -1,6 +1,7 @@
 #include "libb.h"
 
 #include <iostream>
+#include <stdexcept>
 #include <string>
 
 int main(int argc, char* argv[])

examples/cmake_with_data/lib_a/src/lib_a.cpp

@@ -3,6 +3,7 @@
 #include <cassert>
 #include <fstream>
 #include <iostream>
+#include <stdexcept>
 
 std::string hello_data(std::string path)
 {

examples/cmake_with_data/tests/test_cmake_with_data.cpp

@@ -1,6 +1,7 @@
 #include "lib_a.h"
 
 #include <iostream>
+#include <stdexcept>
 #include <string>
 
 int main(int argc, char* argv[])

examples/cmake_with_data/tests/test_cmake_with_shared_lib.cpp

@@ -1,5 +1,6 @@
 #include <fstream>
 #include <iostream>
+#include <stdexcept>
 #include <string>
 
 void test_opening_file(std::string path)

examples/cmake_working_dir/test_liba.cpp

@@ -1,6 +1,7 @@
 #include "liba.h"
 
 #include <iostream>
+#include <stdexcept>
 #include <string>
 
 int main(int argc, char* argv[])

examples/third_party/cares/c-ares-test.cpp

@@ -1,6 +1,7 @@
 #include "ares.h"
 
 #include <iostream>
+#include <stdexcept>
 #include <string.h>
 
 int main(int argc, char* argv[])