Fix to pass FileStore::readWrite test for new FileStore

deps/ox/src/ox/std/assert.hpp

@@ -14,4 +14,4 @@ void oxAssert(const char *file, int line, bool pass, const char *msg);
 #define ox_assert(pass, msg) oxAssert(__FILE__, __LINE__, pass, msg)
 #else
 #define ox_assert(pass, msg)
-#endif
+#endif

deps/ox/src/ox/std/byteswap.hpp

@@ -79,7 +79,7 @@ inline T bigEndianAdapt(T i) {
 
 
 template<typename T>
-class LittleEndian {
+class __attribute__((packed)) LittleEndian {
 	private:
 		T m_value;
 

deps/ox/src/ox/std/string.hpp

@@ -102,7 +102,7 @@ const BString<size> &BString<size>::operator+=(const char *str) {
 	}
 	ox_memcpy(m_buff + currentLen, str, strLen);
 	// make sure last element is a null terminator
-	m_buff[cap() - 1] = 0;
+	m_buff[currentLen + strLen] = 0;
 	return *this;
 }