Add missing EXTERN C in FS header files, needed for the upcoming mod_v8 build

src/include/switch_curl.h

@@ -32,6 +32,7 @@
 #define __SWITCH_CURL_H
 #include "curl/curl.h"
 
+SWITCH_BEGIN_EXTERN_C
 
 typedef void switch_CURL;
 typedef struct curl_slist switch_curl_slist_t;
@@ -51,6 +52,8 @@ SWITCH_DECLARE(void) switch_curl_init(void);
 SWITCH_DECLARE(void) switch_curl_destroy(void);
 SWITCH_DECLARE(switch_status_t) switch_curl_process_form_post_params(switch_event_t *event, switch_CURL *curl_handle, struct curl_httppost **formpostp);
 
+SWITCH_END_EXTERN_C
+																
 #endif
 
 

src/include/switch_dso.h

@@ -21,6 +21,8 @@
 #ifndef FREESWITCH_DSO_H
 #define FREESWITCH_DSO_H
 
+SWITCH_BEGIN_EXTERN_C
+
 typedef int (*switch_dso_func_t) (void);
 #ifdef WIN32
 typedef HINSTANCE switch_dso_lib_t;
@@ -35,6 +37,7 @@ SWITCH_DECLARE(switch_dso_lib_t) switch_dso_open(const char *path, int global, c
 SWITCH_DECLARE(switch_dso_func_t) switch_dso_func_sym(switch_dso_lib_t lib, const char *sym, char **err);
 SWITCH_DECLARE(void *) switch_dso_data_sym(switch_dso_lib_t lib, const char *sym, char **err);
 
+SWITCH_END_EXTERN_C
 
 #endif