opengl: sampler: fix typo on if condition
Missing equal sign: = -> ==
It led to the API being changed to VLC_OPENGL_ES2 on GL version with GLSL < 300.
Regression from 7ffcdfb3.
Missing equal sign: = -> ==
It led to the API being changed to VLC_OPENGL_ES2 on GL version with GLSL < 300.
Regression from 7ffcdfb3.
VideoLAN code repository instance