More Android fixes

Author: devshgraphicsprogramming

src/nbl/system/CFilePOSIX.cpp

@@ -4,7 +4,9 @@ using namespace nbl::system;
 
 #ifdef __unix__ // WTF: can it be `defined(_NBL_PLATFORM_ANDROID_) | defined(_NBL_PLATFORM_LINUX_)` instead?
 #include <unistd.h>
+#include <sys/mman.h>
 #include <sys/types.h>
+
 CFilePOSIX::CFilePOSIX(
 	core::smart_refctd_ptr<ISystem>&& sys,
 	path&& _filename,

src/nbl/system/CFileViewVirtualAllocatorPOSIX.cpp

@@ -5,11 +5,11 @@ using namespace nbl::system;
 #if defined(_NBL_PLATFORM_LINUX_) || defined(_NBL_PLATFORM_ANDROID_)
 #include <sys/mman.h>
 
-void* CFileViewVirtualAllocatorPOSIX::alloc(size_t size) override
+void* CFileViewVirtualAllocatorPOSIX::alloc(size_t size)
 {
 	return mmap((caddr_t)0, size, PROT_WRITE|PROT_READ, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
 }
-bool CFileViewVirtualAllocatorPOSIX::dealloc(void* data, size_t size) override
+bool CFileViewVirtualAllocatorPOSIX::dealloc(void* data, size_t size)
 {
 	const auto ret = munmap(data,size);
 	return ret != -1;

src/nbl/system/ISystem.cpp

@@ -257,7 +257,7 @@ void ISystem::createFile(future_t<core::smart_refctd_ptr<IFile>>& future, std::f
 core::smart_refctd_ptr<IFileArchive> ISystem::openFileArchive(core::smart_refctd_ptr<IFile>&& file, const std::string_view& password)
 {
     // the file backing the archive needs to be readable
-    if (file->getFlags()&IFile::ECF_READ == 0)
+    if ((file->getFlags()&IFile::ECF_READ) == 0)
         return nullptr;
 
     // try the archive loaders by using the extension first