chore: minor clean-up

Signed-off-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: Planeshifter

lib/node_modules/@stdlib/stats/base/dists/poisson/mgf/README.md

@@ -170,7 +170,6 @@ for ( i = 0; i < 10; i++ ) {
 
 Evaluates the moment-generating function ([MGF][mgf]) for a [Poisson][poisson-distribution] distribution with parameter `lambda` (mean).
 
-
 ```c
 double out = stdlib_base_dists_poisson_mgf( 1.0, 1.5 );
 // returns ~13.163
@@ -214,16 +213,16 @@ static double random_uniform( const double min, const double max ) {
 }
 
 int main( void ) {
-    double t;
     double lambda;
+    double t;
     double y;
     int i;
 
     for ( i = 0; i < 25; i++ ) {
         t = random_uniform( -2.0, 2.0 );
         lambda = random_uniform( 0.1, 10.0 );
         y = stdlib_base_dists_poisson_mgf( t, lambda );
-        printf( "t: %lf, lambda: %lf, MGF(t;lambda): %lf\n", t, lambda, y );
+        printf( "t: %lf, λ: %lf, M_X(t;λ): %lf\n", t, lambda, y );
     }
 }
 ```

lib/node_modules/@stdlib/stats/base/dists/poisson/mgf/benchmark/c/benchmark.c

@@ -16,8 +16,8 @@
 * limitations under the License.
 */
 
-#include <sys/time.h>
 #include "stdlib/stats/base/dists/poisson/mgf.h"
+#include <sys/time.h>
 #include <math.h>
 #include <stdio.h>
 #include <stdlib.h>

lib/node_modules/@stdlib/stats/base/dists/poisson/mgf/examples/c/example.c

@@ -35,6 +35,6 @@ int main( void ) {
 		t = random_uniform( -2.0, 2.0 );
 		lambda = random_uniform( 0.1, 10.0 );
 		y = stdlib_base_dists_poisson_mgf( t, lambda );
-		printf( "t: %lf, lambda: %lf, MGF(t;lambda): %lf\n", t, lambda, y );
+		printf( "t: %lf, λ: %lf, M_X(t;λ): %lf\n", t, lambda, y );
 	}
 }