-reduce default fakebank memory allocation (see #7156)

src/bank-lib/bank_api_common.c

@@ -23,11 +23,11 @@
 #include "bank_api_common.h"
 
 
-int
+enum GNUNET_GenericReturnValue
 TALER_BANK_setup_auth_ (CURL *easy,
                         const struct TALER_BANK_AuthenticationData *auth)
 {
-  int ret;
+  enum GNUNET_GenericReturnValue ret;
 
   ret = GNUNET_OK;
   switch (auth->method)

src/bank-lib/taler-fakebank-run.c

@@ -101,7 +101,7 @@ run (void *cls,
      const struct GNUNET_CONFIGURATION_Handle *cfg)
 {
   unsigned long long port = 8082;
-  unsigned long long ram = 1024 * 1024 * 128; /* 128 M entries */
+  unsigned long long ram = 1024 * 128; /* 128 k entries */
   char *currency_string;
 
   (void) cls;