Adding the extern C guard for the htslib headers in htslib_wrapper.hpp and removing those includes from the htslib_wrapper.cpp file

Author: andrewdavidsmith

htslib_wrapper.cpp

@@ -25,9 +25,6 @@
 #include "smithlab_utils.hpp"
 #include "MappedRead.hpp"
 
-#include <htslib/sam.h>
-#include <htslib/hts.h>
-
 using std::string;
 using std::vector;
 using std::cerr;

htslib_wrapper.hpp

@@ -26,8 +26,10 @@
 #include <vector>
 #include <fstream>
 
+extern "C" {
 #include <htslib/sam.h>
 #include <htslib/hts.h>
+}
 
 extern "C" {char check_htslib_wrapper();}