fix to LoadShaderFromMemory (#1851)

- the shader.locs now match the LoadShader function

Without this change, the lighting sample looks incorrect when
using LoadShaderFromMemory

Co-authored-by: Ruminant <psp5150+git@gmail.com>

src/core.c

@@ -2414,8 +2414,9 @@ RLAPI Shader LoadShaderFromMemory(const char *vsCode, const char *fsCode)
 
         // Get handles to GLSL uniform locations (vertex shader)
         shader.locs[SHADER_LOC_MATRIX_MVP] = rlGetLocationUniform(shader.id, "mvp");
-        shader.locs[SHADER_LOC_MATRIX_PROJECTION] = rlGetLocationUniform(shader.id, "projection");
         shader.locs[SHADER_LOC_MATRIX_VIEW] = rlGetLocationUniform(shader.id, "view");
+        shader.locs[SHADER_LOC_MATRIX_PROJECTION] = rlGetLocationUniform(shader.id, "projection");
+        shader.locs[SHADER_LOC_MATRIX_NORMAL] = rlGetLocationUniform(shader.id, "matNormal");
 
         // Get handles to GLSL uniform locations (fragment shader)
         shader.locs[SHADER_LOC_COLOR_DIFFUSE] = rlGetLocationUniform(shader.id, "colDiffuse");