Add missing trailing quotes.

Add missing trailing quotes in echo lines.

configure.com

@@ -4050,8 +4050,8 @@ $ WS "#include <stdlib.h>"
 $ WS "#include <math.h>"
 $ WS "int main()"
 $ WS "{"
-$ WS "  long double x = NaN;
-$ WS "  return isnanl(x) ? EXIT_SUCCESS : EXIT_FAILURE;
+$ WS "  long double x = NaN;"
+$ WS "  return isnanl(x) ? EXIT_SUCCESS : EXIT_FAILURE;"
 $ WS "}"
 $ CS
 $ tmp = "isnanl"
@@ -4065,8 +4065,8 @@ $ WS "#include <stdlib.h>"
 $ WS "#include <math.h>"
 $ WS "int main()"
 $ WS "{"
-$ WS "  long long x = llrint(1.5);
-$ WS "  return x == 2 ? EXIT_SUCCESS : EXIT_FAILURE;
+$ WS "  long long x = llrint(1.5);"
+$ WS "  return x == 2 ? EXIT_SUCCESS : EXIT_FAILURE;"
 $ WS "}"
 $ CS
 $ tmp = "llrint"
@@ -4080,8 +4080,8 @@ $ WS "#include <stdlib.h>"
 $ WS "#include <math.h>"
 $ WS "int main()"
 $ WS "{"
-$ WS "  long long x = llrintl(1.5);
-$ WS "  return x == 2 ? EXIT_SUCCESS : EXIT_FAILURE;
+$ WS "  long long x = llrintl(1.5);"
+$ WS "  return x == 2 ? EXIT_SUCCESS : EXIT_FAILURE;"
 $ WS "}"
 $ CS
 $ tmp = "llrintl"
@@ -4095,8 +4095,8 @@ $ WS "#include <stdlib.h>"
 $ WS "#include <math.h>"
 $ WS "int main()"
 $ WS "{"
-$ WS "  long long x = llround(1.5);
-$ WS "  return x == 2 ? EXIT_SUCCESS : EXIT_FAILURE;
+$ WS "  long long x = llround(1.5);"
+$ WS "  return x == 2 ? EXIT_SUCCESS : EXIT_FAILURE;"
 $ WS "}"
 $ CS
 $ tmp = "llround"
@@ -4110,8 +4110,8 @@ $ WS "#include <stdlib.h>"
 $ WS "#include <math.h>"
 $ WS "int main()"
 $ WS "{"
-$ WS "  long long x = llroundl(1.5);
-$ WS "  return x == 2 ? EXIT_SUCCESS : EXIT_FAILURE;
+$ WS "  long long x = llroundl(1.5);"
+$ WS "  return x == 2 ? EXIT_SUCCESS : EXIT_FAILURE;"
 $ WS "}"
 $ CS
 $ tmp = "llroundl"
@@ -4125,8 +4125,8 @@ $ WS "#include <stdlib.h>"
 $ WS "#include <math.h>"
 $ WS "int main()"
 $ WS "{"
-$ WS "  double x = llroundl(1.5);
-$ WS "  return x == 2.0 ? EXIT_SUCCESS : EXIT_FAILURE;
+$ WS "  double x = llroundl(1.5);"
+$ WS "  return x == 2.0 ? EXIT_SUCCESS : EXIT_FAILURE;"
 $ WS "}"
 $ CS
 $ tmp = "nearbyint"
@@ -4140,8 +4140,8 @@ $ WS "#include <stdlib.h>"
 $ WS "#include <math.h>"
 $ WS "int main()"
 $ WS "{"
-$ WS "  double x = round(1.5);
-$ WS "  return x == 2.0 ? EXIT_SUCCESS : EXIT_FAILURE;
+$ WS "  double x = round(1.5);"
+$ WS "  return x == 2.0 ? EXIT_SUCCESS : EXIT_FAILURE;"
 $ WS "}"
 $ CS
 $ tmp = "round"
@@ -4155,8 +4155,8 @@ $ WS "#include <stdlib.h>"
 $ WS "#include <math.h>"
 $ WS "int main()"
 $ WS "{"
-$ WS "  double x = scalbn(1.0, 3);
-$ WS "  return x == 8.0 ? EXIT_SUCCESS : EXIT_FAILURE;
+$ WS "  double x = scalbn(1.0, 3);"
+$ WS "  return x == 8.0 ? EXIT_SUCCESS : EXIT_FAILURE;"
 $ WS "}"
 $ CS
 $ tmp = "scalbn"
@@ -4170,8 +4170,8 @@ $ WS "#include <stdlib.h>"
 $ WS "#include <math.h>"
 $ WS "int main()"
 $ WS "{"
-$ WS "  long double x = scalbn(1.0, 3);
-$ WS "  return x == 8.0 ? EXIT_SUCCESS : EXIT_FAILURE;
+$ WS "  long double x = scalbn(1.0, 3);"
+$ WS "  return x == 8.0 ? EXIT_SUCCESS : EXIT_FAILURE;"
 $ WS "}"
 $ CS
 $ tmp = "scalbnl"
@@ -5091,9 +5091,9 @@ $ OS
 $ WS "#include <sys/stat.h>"
 $ WS "#include <stdio.h>"
 $ WS "#if defined(__DECC) || defined(__DECCXX)"
-$ WS "#include <stdlib.h>
+$ WS "#include <stdlib.h>"
 $ WS "#endif"
-$ WS "int main() {
+$ WS "int main() {"
 $ WS "#''uselargefiles' _LARGEFILE"
 $ WS "#ifdef _LARGEFILE"
 $ WS "    printf(""%d\n"", sizeof(__ino64_t));"