fix LZMA/bootimage build

This includes some tweaks to README.md and makefile to ensure the
directions in the former for building a bootimage actually work.

README.md

@@ -710,7 +710,7 @@ using the OpenJDK library.)
 
 __6.__ Build the boot and code images.
 
-     $ ../build/linux-i386-bootimage/bootimage-generator
+     $ ../build/linux-i386-bootimage/bootimage-generator \
         -cp stage2 \
         -bootimage bootimage-bin.o \
         -codeimage codeimage-bin.o

makefile

@@ -1479,11 +1479,11 @@ test-args = $(test-flags) $(input)
 ifneq ($(supports_avian_executable),false)
 build: $(static-library) $(executable) $(dynamic-library) $(lzma-loader) \
 	$(lzma-encoder) $(executable-dynamic) $(classpath-dep) $(test-dep) \
-	$(test-extra-dep) $(embed)
+	$(test-extra-dep) $(embed) $(build)/classpath.jar
 else
 build: $(static-library) $(dynamic-library) $(lzma-loader) \
 	$(lzma-encoder) $(classpath-dep) $(test-dep) \
-	$(test-extra-dep) $(embed)
+	$(test-extra-dep) $(embed) $(build)/classpath.jar
 endif
 
 $(test-dep): $(classpath-dep)

src/avian/lzma-util.h

@@ -22,14 +22,14 @@ const unsigned Padding = 16;
 
 class LzmaAllocator {
  public:
-  LzmaAllocator(avian::util::Allocator* a) : a(a)
+  LzmaAllocator(avian::util::Alloc* a) : a(a)
   {
     allocator.Alloc = allocate;
     allocator.Free = free;
   }
 
   ISzAlloc allocator;
-  avian::util::Allocator* a;
+  avian::util::Alloc* a;
 
   static void* allocate(void* allocator, size_t size)
   {

src/avian/lzma.h

@@ -22,13 +22,13 @@ class AllocOnly;
 namespace vm {
 
 uint8_t* decodeLZMA(System* s,
-                    avian::util::AllocOnly* a,
+                    avian::util::Alloc* a,
                     uint8_t* in,
                     unsigned inSize,
                     unsigned* outSize);
 
 uint8_t* encodeLZMA(System* s,
-                    avian::util::AllocOnly* a,
+                    avian::util::Alloc* a,
                     uint8_t* in,
                     unsigned inSize,
                     unsigned* outSize);

src/lzma-decode.cpp

@@ -27,7 +27,7 @@ int32_t read4(const uint8_t* in)
 namespace vm {
 
 uint8_t* decodeLZMA(System* s,
-                    avian::util::AllocOnly* a,
+                    avian::util::Alloc* a,
                     uint8_t* in,
                     unsigned inSize,
                     unsigned* outSize)

src/lzma-encode.cpp

@@ -25,7 +25,7 @@ SRes myProgress(void*, UInt64, UInt64)
 namespace vm {
 
 uint8_t* encodeLZMA(System* s,
-                    AllocOnly* a,
+                    avian::util::Alloc* a,
                     uint8_t* in,
                     unsigned inSize,
                     unsigned* outSize)