Don't abort in a non-FIPS build.

When the output isn't a terminal, stdio doesn't seem to flush on abort
so this ends looking odd.

Change-Id: Ic264915302f175f2fc5c700b8e8278bdb23776eb
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/83527
Commit-Queue: Lily Chen <chlily@google.com>
Auto-Submit: Adam Langley <agl@google.com>
Reviewed-by: Lily Chen <chlily@google.com>

util/fipstools/acvp/modulewrapper/main.cc

diff --git a/util/fipstools/acvp/modulewrapper/main.cc b/util/fipstools/acvp/modulewrapper/main.cc
index 87c6634..b10a67c 100644
--- a/util/fipstools/acvp/modulewrapper/main.cc
+++ b/util/fipstools/acvp/modulewrapper/main.cc
@@ -53,7 +53,6 @@
     // |module_version| will be zero, so the non-FIPS build will never get
     // this far.
     printf("Non zero module version in non-FIPS build - should not happen!\n");
-    abort();
 #elif defined(OPENSSL_ASAN)
     printf("(not available when compiled for ASAN)");
 #else