Fix internvl code bugs

[James4Ever0]

To build this one could run:

# under the root folder of this repo
mkdir build
cd build
cmake -DLLAMA_BUILD_EXAMPLES=ON -DCMAKE_BUILD_TYPE=Debug ..
make -j16 llama-internvl-cli

• I have read the contributing guidelines
• Self-reported review complexity:
  • Low
  • Medium
  • High