Change unsigned char* param to ConstStr255Param to make mach-o happier

r=sdagley/sr=blake. bug 118197.

uriloader/exthandler/mac/nsInternetConfig.cpp

@@ -121,7 +121,7 @@ nsInternetConfig::~nsInternetConfig()
 }
 
 
-nsresult nsInternetConfig::GetString( unsigned char* inKey, char** outString )
+nsresult nsInternetConfig::GetString( ConstStr255Param inKey, char** outString )
 {
 	nsresult result = NS_ERROR_FAILURE;
 	ICInstance instance = nsInternetConfig::GetInstance();

uriloader/exthandler/mac/nsInternetConfig.h

@@ -47,7 +47,7 @@ class nsInternetConfig
 public:
 	nsInternetConfig();
 	~nsInternetConfig();
-	nsresult GetString( unsigned char* inKey, char** outString );
+	nsresult GetString( ConstStr255Param inKey, char** outString );
 
 	static ICInstance GetInstance();
 	static  PRBool		HasSeedChanged();

xpfe/appshell/src/nsInternetConfig.cpp

@@ -121,7 +121,7 @@ nsInternetConfig::~nsInternetConfig()
 }
 
 
-nsresult nsInternetConfig::GetString( unsigned char* inKey, char** outString )
+nsresult nsInternetConfig::GetString( ConstStr255Param inKey, char** outString )
 {
 	nsresult result = NS_ERROR_FAILURE;
 	ICInstance instance = nsInternetConfig::GetInstance();

xpfe/appshell/src/nsInternetConfig.h

@@ -47,7 +47,7 @@ class nsInternetConfig
 public:
 	nsInternetConfig();
 	~nsInternetConfig();
-	nsresult GetString( unsigned char* inKey, char** outString );
+	nsresult GetString( ConstStr255Param inKey, char** outString );
 
 	static ICInstance GetInstance();
 	static  PRBool		HasSeedChanged();