Merging r322869:
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r322869 | dim | 2018-01-18 19:24:22 +0100 (Thu, 18 Jan 2018) | 3 lines

Sprinkle a few <cstdlib> includes, for libomptarget sources using
malloc, free, alloca and getenv.  NFCI.

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git-svn-id: https://llvm.org/svn/llvm-project/openmp/branches/release_60@323037 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/libomptarget/src/api.cpp b/libomptarget/src/api.cpp
index 8a67754..15c1d2c 100644
--- a/libomptarget/src/api.cpp
+++ b/libomptarget/src/api.cpp
@@ -19,6 +19,7 @@
 
 #include <climits>
 #include <cstring>
+#include <cstdlib>
 
 EXTERN int omp_get_num_devices(void) {
   RTLsMtx.lock();
diff --git a/libomptarget/src/interface.cpp b/libomptarget/src/interface.cpp
index 2e0e496..a48d667 100644
--- a/libomptarget/src/interface.cpp
+++ b/libomptarget/src/interface.cpp
@@ -19,6 +19,7 @@
 #include "rtl.h"
 
 #include <cassert>
+#include <cstdlib>
 
 ////////////////////////////////////////////////////////////////////////////////
 /// adds a target shared library to the target execution image
diff --git a/libomptarget/src/rtl.cpp b/libomptarget/src/rtl.cpp
index 64a7f7f..3152528 100644
--- a/libomptarget/src/rtl.cpp
+++ b/libomptarget/src/rtl.cpp
@@ -16,6 +16,7 @@
 #include "rtl.h"
 
 #include <cassert>
+#include <cstdlib>
 #include <cstring>
 #include <dlfcn.h>
 #include <mutex>