python: update palette256 API wrapper

doc/man/man3/notcurses_palette.3.md

@@ -25,7 +25,7 @@ typedef struct palette256 {
 
 **int palette256_set(palette256* p, int idx, unsigned rgb);**
 
-**int palette256_get(const palette256* p, int idx, int* restrict r, int* restrict g, int* restrict b);**
+**int palette256_get_rgb(const palette256* p, int idx, int* restrict r, int* restrict g, int* restrict b);**
 
 **void palette256_free(palette256* p);**
 

python/src/notcurses/build_notcurses.py

@@ -231,7 +231,7 @@ palette256* palette256_new(struct notcurses* nc);
 int palette256_use(struct notcurses* nc, const palette256* p);
 int palette256_set_rgb(palette256* p, int idx, int r, int g, int b);
 int palette256_set(palette256* p, int idx, unsigned rgb);
-int palette256_get(const palette256* p, int idx, unsigned* r, unsigned* g, unsigned* b);
+int palette256_get_rgb(const palette256* p, int idx, unsigned* r, unsigned* g, unsigned* b);
 void palette256_free(palette256* p);
 """)