Fix windows build, and prevent future warnings

src/unwind/unwind_with_dbghelp.cpp

@@ -154,7 +154,7 @@ namespace detail {
     }
 
     CPPTRACE_FORCE_NO_INLINE
-    std::size_t safe_capture_frames(frame_ptr* buffer, std::size_t size, std::size_t skip, std::size_t max_depth) {
+    std::size_t safe_capture_frames(frame_ptr*, std::size_t, std::size_t, std::size_t) {
         // Can't safe trace with dbghelp
         return 0;
     }

src/unwind/unwind_with_execinfo.cpp

@@ -29,7 +29,7 @@ namespace detail {
     }
 
     CPPTRACE_FORCE_NO_INLINE
-    std::size_t safe_capture_frames(frame_ptr* buffer, std::size_t size, std::size_t skip, std::size_t max_depth) {
+    std::size_t safe_capture_frames(frame_ptr*, std::size_t, std::size_t, std::size_t) {
         // Can't safe trace with execinfo
         return 0;
     }

src/unwind/unwind_with_nothing.cpp

@@ -12,7 +12,7 @@ namespace detail {
     }
 
     CPPTRACE_FORCE_NO_INLINE
-    std::size_t safe_capture_frames(frame_ptr* buffer, std::size_t size, std::size_t skip, std::size_t max_depth) {
+    std::size_t safe_capture_frames(frame_ptr*, std::size_t, std::size_t, std::size_t) {
         return 0;
     }
 }

src/unwind/unwind_with_unwind.cpp

@@ -64,7 +64,7 @@ namespace detail {
     }
 
     CPPTRACE_FORCE_NO_INLINE
-    std::size_t safe_capture_frames(frame_ptr* buffer, std::size_t size, std::size_t skip, std::size_t max_depth) {
+    std::size_t safe_capture_frames(frame_ptr*, std::size_t, std::size_t, std::size_t) {
         // Can't safe trace with _Unwind
         return 0;
     }

src/unwind/unwind_with_winapi.cpp

@@ -39,7 +39,7 @@ namespace detail {
     }
 
     CPPTRACE_FORCE_NO_INLINE
-    std::size_t safe_capture_frames(frame_ptr* buffer, std::size_t size, std::size_t skip, std::size_t max_depth) {
+    std::size_t safe_capture_frames(frame_ptr*, std::size_t, std::size_t, std::size_t) {
         // Can't safe trace with winapi
         return 0;
     }