Compiler fixes.

src/core.hpp

@@ -18,7 +18,7 @@
 
 //#define USE_CURL_FORM // use for old versions of curl that doesn't have curl_mime yet
 
-#define VERSION "2.3"
+#define DBLPBIBTEX_VERSION "2.3"
 
 #include <contrib/string_algo.hpp>
 namespace sa = string_algo;

src/dblpbibtex.cpp

@@ -119,7 +119,7 @@ try {
 #endif
 	// needs to be enabled inside tex file with \nocite{dblpbibtex:enablesearch}
 	// searches change your tex files, use with care!
-	cout << "DBLPBibTeX - version " << VERSION << " - Copyright Marc Stevens 2010-2019" << endl
+	cout << "DBLPBibTeX - version " << DBLPBIBTEX_VERSION << " - Copyright Marc Stevens 2010-2019" << endl
 		 << "Projectpage: https://github.com/cr-marcstevens/dblpbibtex/" << endl;
 	params.enablesearch = false;
 	std::string dblpformat;

src/network.hpp

@@ -8,10 +8,7 @@
 
 #include "core.hpp"
 
-extern "C"
-{
 #include <curl/curl.h>
-}
 
 #include <string>
 #include <iostream>
@@ -153,7 +150,7 @@ void check_new_version()
 	html.erase(html.find_first_not_of(".0123456789"));
 	if (version == "")
 		std::cout << "New version check failed!" << std::endl;
-	else if (version != VERSION)
+	else if (version != DBLPBIBTEX_VERSION)
 		std::cout << "Warning--New version " << version << " is available on:" << std::endl
 			<< "\thttps://github.com/cr-marcstevens/dblpbibtex/" << std::endl;
 }