Fix osx build

Author: gavinandresen

src/makefile.osx

@@ -65,7 +65,7 @@ CFLAGS = -g
 endif
 
 # ppc doesn't work because we don't support big-endian
-CFLAGS += -Wall -Wextra -Wformat -Wformat-security -Wno-unused-paramter \
+CFLAGS += -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter \
     $(DEBUGFLAGS) $(DEFS) $(INCLUDEPATHS)
 
 OBJS= \

src/util.cpp

@@ -819,7 +819,7 @@ boost::filesystem::path GetDefaultDataDir()
 #ifdef MAC_OSX
     // Mac
     pathRet /= "Library/Application Support";
-    filesystem::create_directory(pathRet);
+    fs::create_directory(pathRet);
     return pathRet / "Bitcoin";
 #else
     // Unix