chore: fix C lint errors

PR-URL: #7533
Closes: #7532

Reviewed-by: Philipp Burckhardt <[email protected]>

Author: GeoDaoyu

lib/node_modules/@stdlib/number/float64/base/get-low-word/examples/c/example.c

@@ -21,7 +21,7 @@
 #include <stdio.h>
 
 int main( void ) {
-	double x[] = { 3.14, -3.14, 0.0, 0.0/0.0 };
+	const double x[] = { 3.14, -3.14, 0.0, 0.0/0.0 };
 
 	uint32_t low;
 	int i;