Fix missing initialization on rules-check utility

Author: Felipe Zimmerle

configure.ac

@@ -309,7 +309,9 @@ AC_CONFIG_FILES([\
     Makefile \
     doc/Makefile \
     src/Makefile \
-    others/Makefile
+    others/Makefile \
+    tools/Makefile \
+    tools/rules-check/Makefile
     ])
 
 AM_COND_IF([TEST_UTILITIES],
@@ -321,8 +323,6 @@ AM_COND_IF([EXAMPLES],
             examples/simple_example_using_c/Makefile \
             examples/multiprocess_c/Makefile \
             examples/reading_logs_with_offset/Makefile \
-            tools/Makefile \
-            tools/rules-check/Makefile \
             ])])
 
 AM_COND_IF([AFL_FUZZER],

tools/Makefile.am

@@ -0,0 +1,14 @@
+
+ACLOCAL_AMFLAGS = -I build
+
+
+SUBDIRS = \
+	rules-check
+
+# make clean
+CLEANFILES = 
+
+# make maintainer-clean
+MAINTAINERCLEANFILES = \
+	Makefile.in
+

tools/rules-check/rules-check.cc

@@ -46,7 +46,7 @@ int main(int argc, char **argv) {
 
     while (*args != NULL) {
         struct stat buffer;
-        std::string argFull;
+        std::string argFull("");
         const char *arg = *args;
         std::string err;
         int r;