testsuite: Update tests for 'xfclose' use

Convert (some) tests to use 'xfclose' rather than using plain 'fclose'
call with no error checking or plain missing such a call.

Reviewed-by: Florian Weimer <fweimer@redhat.com>

elf/tst-audit25.h

@@ -44,5 +44,5 @@ compare_output (void *buffer, size_t length, const char *ref[], size_t reflen)
     TEST_COMPARE (found[i], true);
 
   free (line);
-  fclose (in);
+  xfclose (in);
 }

elf/tst-pldd.c

@@ -158,7 +158,7 @@ do_test (void)
     TEST_COMPARE (interpreter_found, true);
     TEST_COMPARE (libc_found, true);
 
-    fclose (out);
+    xfclose (out);
   }
 
   support_capture_subprocess_free (&pldd);

libio/tst-getdelim.c

@@ -47,7 +47,7 @@ do_test (void)
   TEST_COMPARE_BLOB (lineptr, 4, "abc\0", 4);
   TEST_VERIFY (getdelim (&lineptr, &linelen, '\0', memstream) != -1);
   TEST_COMPARE_BLOB (lineptr, 5, "d\nef\0", 5);
-  fclose (memstream);
+  xfclose (memstream);
   free (lineptr);
 
   return 0;

localedata/tst-bz13988.c

@@ -48,6 +48,8 @@ do_test (void)
 
   DIAG_POP_NEEDS_COMMENT;
 
+  xfclose (f);
+
   return 0;
 }
 

localedata/tst-scanf-width-digit.c

@@ -53,6 +53,8 @@ do_test (void)
 
   DIAG_POP_NEEDS_COMMENT;
 
+  xfclose (f);
+
   return 0;
 }
 

localedata/tst-scanf-width-point.c

@@ -45,6 +45,8 @@ do_test (void)
   TEST_VERIFY_EXIT (fgetc (f) == 0xd9);
   TEST_VERIFY_EXIT (fgetc (f) == 0xab);
 
+  xfclose (f);
+
   return 0;
 }
 

misc/tst-mntent-escape.c

@@ -87,7 +87,7 @@ do_test (void)
       TEST_COMPARE(tests[i].mnt_freq, ret->mnt_freq);
       TEST_COMPARE(tests[i].mnt_passno, ret->mnt_passno);
 
-      fclose (fp);
+      xfclose (fp);
     }
 
   return 0;

stdio-common/bug26.c

@@ -34,6 +34,7 @@ main (void)
      input.  */
   lost |= (fscanf (f, "%lf", &d) != 0);
   c = fgetc (f);
+  xfclose (f);
   lost |= c != 'e';
   puts (lost ? "Test FAILED!" : "Test succeeded.");
   return lost;

stdio-common/tst-fgets.c

@@ -14,6 +14,7 @@ do_test (void)
   int res = bp != buf;
   bp = fgets_unlocked (buf, sizeof (buf), fp);
   printf ("fgets_unlocked: %s\n", bp == buf ? "OK" : "ERROR");
+  xfclose (fp);
   res |= bp != buf;
   return res;
 }