Fixed trailing spaces in some testcases.

test/val/bug1838.c

@@ -1,11 +1,11 @@
 /* Bug 1838 - function parameters declared as function types rather than function pointers */
 
 #include <stdio.h>
- 
+
 static int failures = 0;
 
 typedef int fn_t(int);
- 
+
 int main(void)
 {
     void foo(fn_t*);

test/val/bug1847-struct-field-access.c

@@ -41,6 +41,6 @@ int main(void) {
     if (failures > 0) {
         printf("Failures: %u\n", failures);
     }
-    
+
     return failures;
 }