launcher: Fix build with mingw-w64

execv() requires process.h to be included according to the MSVC documentation
but for some reason it also works without it.

mingw-w64 on the other hand fails to build the launcher if the include isn't there,
so add it.

1 files changed, 1 insertions, 0 deletions

diff --git a/launcher.c b/launcher.c
index be69f0c6..23ef3ac2 100644
--- a/launcher.c
+++ b/launcher.c
@@ -37,6 +37,7 @@
 #include <windows.h>
 #include <tchar.h>
 #include <fcntl.h>
+#include <process.h>
 
 int child_pid=0;