fixed embarrassingly wrong plugin order

Author: aap

src/plg.cpp

@@ -185,8 +185,8 @@ PluginList::registerPlugin(int32 size, uint32 id,
 	p->rightsCallback = nil;
 	p->alwaysCallback = nil;
 	p->parentList = this;
-	this->plugins.add(&p->inParentList);
-	allPlugins.add(&p->inGlobalList);
+	this->plugins.append(&p->inParentList);
+	allPlugins.append(&p->inGlobalList);
 	return p->offset;
 }
 

src/rwbase.h

@@ -70,9 +70,13 @@ typedef int32 bool32;
 typedef uint8 byte;
 typedef uint32 uint;
 
+#ifndef nil
 #define nil NULL
+#endif
 
+#ifndef nelem
 #define nelem(A) (sizeof(A) / sizeof A[0])
+#endif
 
 #ifdef __GNUC__
 #define RWALIGN(n) __attribute__ ((aligned (n)))