docs: update start index in C example

Signed-off-by: Philipp Burckhardt <[email protected]>

lib/node_modules/@stdlib/math/base/special/negalucasf/README.md

@@ -233,7 +233,7 @@ int main( void ) {
     int32_t i;
     float v;
 
-    for ( i = 0; i > -77; i-- ) {
+    for ( i = 0; i > -35; i-- ) {
         v = stdlib_base_negalucasf( i );
         printf( "negalucasf(%d) = %f\n", i, v );
     }