fix: indentation and variables structure

Co-authored-by: Philipp Burckhardt <[email protected]>
Signed-off-by: Shabareesh Shetty <[email protected]>

Author: ShabiShett07

lib/node_modules/@stdlib/stats/base/dists/gamma/logpdf/examples/c/example.c

@@ -26,9 +26,9 @@ static double random_uniform( const double min, const double max ) {
 }
 
 int main( void ) {
-	double x;
 	double alpha;
-    double beta;
+	double beta;
+	double x;
 	double y;
 	int i;