reduce Macintosh compiler warnings by adding prototype

dom/src/base/nsJSEnvironment.h

@@ -72,4 +72,7 @@ public:
 
 };
 
+/* prototypes */
+void PR_CALLBACK NS_ScriptErrorReporter(JSContext *cx, const char *message, JSErrorReport *report);
+
 #endif /* nsJSEnvironment_h___ */

layout/base/src/nsRangeList.cpp

@@ -85,6 +85,7 @@ private:
 
 
 
+nsresult NS_NewRangeList(nsICollection **);
 nsresult NS_NewRangeList(nsICollection **aRangeList)
 {
   nsRangeList *rlist = new nsRangeList;

layout/base/src/nsSpaceManager.h

@@ -160,5 +160,9 @@ private:
   friend PR_CALLBACK PRIntn NS_RemoveFrameInfoEntries(PLHashEntry*, PRIntn, void*);
 };
 
+/* prototypes */
+PR_CALLBACK PLHashNumber
+NS_HashNumber(const void* key);
+
 #endif /* nsSpaceManager_h___ */
 

layout/generic/nsSpaceManager.h

@@ -160,5 +160,9 @@ private:
   friend PR_CALLBACK PRIntn NS_RemoveFrameInfoEntries(PLHashEntry*, PRIntn, void*);
 };
 
+/* prototypes */
+PR_CALLBACK PLHashNumber
+NS_HashNumber(const void* key);
+
 #endif /* nsSpaceManager_h___ */
 

layout/html/content/src/nsTextNode.cpp

@@ -79,6 +79,7 @@ protected:
   nsGenericDOMDataNode mInner;
 };
 
+nsresult NS_NewTextNode(nsIHTMLContent** aInstancePtrResult);
 nsresult
 NS_NewTextNode(nsIHTMLContent** aInstancePtrResult)
 {

layout/html/forms/src/nsRadioControlFrame.cpp

@@ -46,6 +46,7 @@ static NS_DEFINE_IID(kIDOMHTMLInputElementIID, NS_IDOMHTMLINPUTELEMENT_IID);
 #define NS_DESIRED_RADIOBOX_SIZE  12
 
 
+nsresult NS_NewRadioControlFrame(nsIFrame*& aResult);
 nsresult
 NS_NewRadioControlFrame(nsIFrame*& aResult)
 {