Make the _sha1.i file generation quieter

src/common/include.am

@@ -59,7 +59,7 @@ noinst_HEADERS+= 				\
 DISTCLEANFILES+= src/common/common_sha1.i
 
 src/common/common_sha1.i: $(libor_SOURCES) $(libor_crypto_a_SOURCES) $(noinst_HEADERS)
-	if test "@SHA1SUM@" != none; then \
+	$(AM_V_GEN)if test "@SHA1SUM@" != none; then \
 	  (cd "$(srcdir)" && "@SHA1SUM@" $(src_common_libor_SOURCES) $(src_common_libor_crypto_a_SOURCES) $(noinst_HEADERS)) | "@SED@" -n 's/^\(.*\)$$/"\1\\n"/p' > $@; \
 	elif test "@OPENSSL@" != none; then \
 	  (cd "$(srcdir)" && "@OPENSSL@" sha1 $(src_common_libor_SOURCES) $(src_Common_libor_crypto_a_SOURCES) $(noinst_HEADERS)) | "@SED@" -n 's/SHA1(\(.*\))= \(.*\)/"\2  \1\\n"/p' > $@; \

src/or/include.am

@@ -144,7 +144,7 @@ src/or/micro-revision.i: FORCE
 	fi; true
 
 src/or/or_sha1.i: $(src_or_tor_SOURCES) $(src_or_libtor_a_SOURCES)
-	if test "@SHA1SUM@" != none; then \
+	$(AM_V_GEN)if test "@SHA1SUM@" != none; then \
 	  (cd "$(srcdir)" && "@SHA1SUM@" $(src_or_tor_SOURCES) $(src_or_libtor_a_SOURCES)) | \
 	  "@SED@" -n 's/^\(.*\)$$/"\1\\n"/p' > src/or/or_sha1.i; \
 	elif test "@OPENSSL@" != none; then \
@@ -157,4 +157,4 @@ src/or/or_sha1.i: $(src_or_tor_SOURCES) $(src_or_libtor_a_SOURCES)
 
 CLEANFILES+= src/or/micro-revision.i
 
-FORCE:
\ No newline at end of file
+FORCE: