Add check curl in system #1

dm-cli/main.cpp

@@ -4,6 +4,7 @@
 #include "AccountStatus.hpp"
 #include "AccountUpdate.hpp"
 #include "Deals.hpp"
+#include "ExecCommand.hpp"
 
 using namespace std;
 char** global_argv;
@@ -28,8 +29,17 @@ bool IsRuLang()
     return false;
 }
 
+
 int main(int argc, char *argv[])
 {    
+    int r = system("curl");
+    if (r == 2) {
+        //OK
+    }
+    else if (r == 1) {
+        cout << "curl: not found" << endl;
+        return 1;
+    }
     global_argv = argv;
     global_argc = argc;
     InputParser input(argc, argv);