Courgette: Add static method QuickDetect() to optimize program detection.

courgette/disassembler_elf_32_x86.cc

Index: courgette/disassembler_elf_32_x86.cc
diff --git a/courgette/disassembler_elf_32_x86.cc b/courgette/disassembler_elf_32_x86.cc
index ee6e7321149612a1317e509aaa93818dc7628797..fc3c98c4bc8f899aa11aa0b88b16c07da9f79d57 100644
--- a/courgette/disassembler_elf_32_x86.cc
+++ b/courgette/disassembler_elf_32_x86.cc
@@ -30,9 +30,8 @@ uint16_t DisassemblerElf32X86::TypedRVAX86::op_size() const {
   return 4;
 }
 
-DisassemblerElf32X86::DisassemblerElf32X86(const void* start, size_t length)
-    : DisassemblerElf32(start, length) {
-}
+DisassemblerElf32X86::DisassemblerElf32X86(const uint8_t* start, size_t length)
+    : DisassemblerElf32(start, length) {}
 
 // Convert an ELF relocation struction into an RVA.
 CheckBool DisassemblerElf32X86::RelToRVA(Elf32_Rel rel, RVA* result) const {