code: third commit in lab 4

.gitignore

@@ -3,3 +3,4 @@
 /labor01.vcxproj
 /labor01.vcxproj.filters
 /labor01.vcxproj.user
+/curl/

labor01.cpp

@@ -4,6 +4,7 @@
 #include <algorithm>
 #include "text.h"
 #include "svg.h"
+#include <curl/curl.h>
 
 using namespace std;
 struct Input {
@@ -42,6 +43,7 @@ input_data(istream& inn, bool promt) {
 
 
 int main() {
+    curl_global_init(CURL_GLOBAL_ALL);
     bool promt = true;
     auto in = input_data(cin, promt);
     auto bins = make_histogram(in.numbers, in.bin_count);