[flang] Need <algorithm> for std::min and std::max (flang-compiler/f18#1063)

Original-commit: flang-compiler/f18@d0f9ef7742
Reviewed-on: https://github.com/flang-compiler/f18/pull/1063

flang/runtime/connection.cpp

@@ -8,6 +8,7 @@
 
 #include "connection.h"
 #include "environment.h"
+#include <algorithm>
 
 namespace Fortran::runtime::io {
 

flang/runtime/edit-input.cpp

@@ -9,6 +9,7 @@
 #include "edit-input.h"
 #include "flang/Common/real.h"
 #include "flang/Common/uint128.h"
+#include <algorithm>
 
 namespace Fortran::runtime::io {
 

flang/runtime/edit-output.cpp

@@ -9,6 +9,7 @@
 #include "edit-output.h"
 #include "flang/Common/uint128.h"
 #include "flang/Common/unsigned-const-division.h"
+#include <algorithm>
 
 namespace Fortran::runtime::io {
 

flang/runtime/format-implementation.h

@@ -16,6 +16,7 @@
 #include "main.h"
 #include "flang/Common/format.h"
 #include "flang/Decimal/decimal.h"
+#include <algorithm>
 #include <limits>
 
 namespace Fortran::runtime::io {

flang/runtime/tools.cpp

@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "tools.h"
+#include <algorithm>
 #include <cstring>
 
 namespace Fortran::runtime {

flang/test/Runtime/testing.cpp

@@ -1,5 +1,6 @@
 #include "testing.h"
 #include "../../runtime/terminator.h"
+#include <algorithm>
 #include <cstdarg>
 #include <cstdio>
 #include <cstring>