resolves #104: fix clang compiler error

provide a local typedef instead of using a pure anonymous struct

also fix inconsistent whitespace

src/log.h

@@ -27,23 +27,24 @@
 // paths from being encoded into the binary at all. Assumes / is the
 // path separator.
 namespace _ {
-	constexpr const char* static_basename_impl(const char* b, const char* t) {
-		return *t == '\0' ? b : static_basename_impl(*t == '/' ? t+1 : b, t+1);
-	}
-	constexpr const char* static_basename(const char* p) {
-		return static_basename_impl(p, p); 
-	}
-	constexpr int static_strlen(const char* s) {
-		return *s == '\0' ? 0 : static_strlen(s + 1) + 1;
-	}
-	template<int N, int...I>
-	static constexpr decltype(auto) static_alloc_str_impl(const char* str, std::integer_sequence<int, I...>) { 
-		return (struct {char buf[N+1];}) {str[I]..., 0};
-	}
-	template<int N>
-	static constexpr decltype(auto) static_alloc_str(const char* str) {
-		return static_alloc_str_impl<N>(str, std::make_integer_sequence<int, N>());
-	}
+    constexpr const char* static_basename_impl(const char* b, const char* t) {
+        return *t == '\0' ? b : static_basename_impl(*t == '/' ? t+1 : b, t+1);
+    }
+    constexpr const char* static_basename(const char* p) {
+        return static_basename_impl(p, p);
+    }
+    constexpr int static_strlen(const char* s) {
+        return *s == '\0' ? 0 : static_strlen(s + 1) + 1;
+    }
+    template<int N, int...I>
+    static constexpr decltype(auto) static_alloc_str_impl(const char* str, std::integer_sequence<int, I...>) {
+        typedef struct {char buf[N+1];} static_null_terminated;
+        return (static_null_terminated) {str[I]..., '\0'};
+    }
+    template<int N>
+    static constexpr decltype(auto) static_alloc_str(const char* str) {
+        return static_alloc_str_impl<N>(str, std::make_integer_sequence<int, N>());
+    }
 }
 #define __FILE_BASE__ (_::static_alloc_str<_::static_strlen(_::static_basename(__FILE__))>(_::static_basename(__FILE__)).buf)