Code cosmetics: Reduces the amounts of warning.

Removes the warnings by adding missing headers and removed unused variables.

apache2/msc_crypt.c

@@ -67,7 +67,7 @@ char *normalize_path(modsec_rec *msr, char *input) {
         if(uri->path)   {
             char *Uri = NULL;
             int bytes = 0;
-            int i;
+            /*int i;*/
             char *relative_link = NULL;
             char *filename = NULL;
             char *relative_path = NULL;

apache2/msc_json.h

@@ -53,5 +53,8 @@ int DSOLOCAL json_complete(modsec_rec *msr, char **error_msg);
 
 apr_status_t DSOLOCAL json_cleanup(modsec_rec *msr);
 
+int DSOLOCAL json_process_chunk(modsec_rec *msr, const char *buf,
+		unsigned int size, char **error_msg);
+
 #endif
 #endif

apache2/msc_status_engine.c

@@ -227,7 +227,6 @@ int DSOLOCAL msc_status_engine_mac_address (unsigned char *mac)
     PIP_ADAPTER_INFO pAdapterInfo;
     PIP_ADAPTER_INFO pAdapter = NULL;
     DWORD dwRetVal = 0;
-    UINT i;
 
     ULONG ulOutBufLen = sizeof (IP_ADAPTER_INFO);
     pAdapterInfo = (IP_ADAPTER_INFO *)malloc(sizeof (IP_ADAPTER_INFO));

apache2/re_operators.c

@@ -2053,7 +2053,6 @@ static int msre_op_detectXSS_execute(modsec_rec *msr, msre_rule *rule, msre_var
     char **error_msg) {
 
     int is_xss;
-    int capture;
 
     is_xss = libinjection_xss(var->value, var->value_len);
 

apache2/re_variables.c

@@ -1993,7 +1993,6 @@ static int var_full_request_generate(modsec_rec *msr, msre_var *var,
 failed_fill_buffer:
 failed_not_enough_mem:
 failed_measure_buffer:
-no_buffer:
     return 0;
 }