Adjust ecpg expected-results files for commit 7640f931.

Mea culpa for not rechecking check-world at the last step :-(
Per buildfarm.

src/interfaces/ecpg/test/expected/compat_informix-dec_test.c

@@ -33,7 +33,7 @@
  * print_double(x) has the same effect as printf("%g", x), but is intended
  * to produce the same formatting across all platforms.
  */
-static void
+static inline void
 print_double(double x)
 {
 #ifdef WIN32

src/interfaces/ecpg/test/expected/pgtypeslib-num_test.c

@@ -29,7 +29,7 @@
  * print_double(x) has the same effect as printf("%g", x), but is intended
  * to produce the same formatting across all platforms.
  */
-static void
+static inline void
 print_double(double x)
 {
 #ifdef WIN32

src/interfaces/ecpg/test/expected/pgtypeslib-num_test2.c

@@ -30,7 +30,7 @@
  * print_double(x) has the same effect as printf("%g", x), but is intended
  * to produce the same formatting across all platforms.
  */
-static void
+static inline void
 print_double(double x)
 {
 #ifdef WIN32