fix compiler warnings

(DatabaseCampaign; llvmdisassembler)

Change-Id: Ic31758018a0a1ff0ceac81f781eecfc5f8060f89

src/core/cpn/DatabaseCampaign.cc

@@ -134,7 +134,7 @@ void DatabaseCampaign::collect_result_thread() {
 
 bool DatabaseCampaign::run_variant(Database::Variant variant) {
 	/* Gather jobs */
-	int experiment_count;
+	unsigned long experiment_count;
 	std::stringstream ss;
 	std::string sql_select = "SELECT p.id, p.injection_instr, p.injection_instr_absolute, p.data_address, p.data_width, t.instr1, t.instr2 ";
 	ss << " FROM fsppilot p "

src/core/util/llvmdisassembler/LLVMtoFailTranslator.cpp

@@ -51,6 +51,7 @@ LLVMtoFailTranslator* LLVMtoFailTranslator::createFromBinary(const std::string e
 	OwningPtr<Binary> binary;
 	llvm::error_code ret = createBinary(elf_path, binary);
 	assert (ret == 0);
+	(void) ret; // unused in release builds
 	assert (binary.get() != NULL);
 
 	#ifndef __puma