MT#60408 AmSdp praser: Don't use register storage class

Don't store variables in a processor register
but store as usually in memory.

Resolves:

10: 32:12 AmSdp.cpp: In function 'bool parse_sdp_line_ex(AmSdp*, char*&)':
10: 32:12 AmSdp.cpp:571:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
10: 32:12   571 |   register parse_st state;
10: 32:12       |                     ^~~~~
10: 32:12 AmSdp.cpp: In function 'char* parse_sdp_connection(AmSdp*, char*, char)':
10: 32:12 AmSdp.cpp:757:30: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
10: 32:12   757 |   register sdp_connection_st state;
10: 32:12       |                              ^~~~~
10: 32:12 AmSdp.cpp: In function 'void parse_sdp_media(AmSdp*, char*)':
10: 32:12 AmSdp.cpp:838:25: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
10: 32:12   838 |   register sdp_media_st state;
10: 32:12       |                         ^~~~~
10: 32:12 AmSdp.cpp: In function 'char* parse_sdp_attr(AmSdp*, char*)':
10: 32:12 AmSdp.cpp:1038:31: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
10: 32:12  1038 |   register sdp_attr_rtpmap_st rtpmap_st;
10: 32:12       |                               ^~~~~~~~~
10: 32:12 AmSdp.cpp:1039:29: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
10: 32:12  1039 |   register sdp_attr_fmtp_st fmtp_st;
10: 32:12       |                             ^~~~~~~
10: 32:12 AmSdp.cpp: In function 'void parse_sdp_origin(AmSdp*, char*)':
10: 32:12 AmSdp.cpp:1253:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
10: 32:12  1253 |   register sdp_origin_st origin_st;
10: 32:12       |
Change-Id: Ice87c3659816003c94359f891a490db0910ff74a

core/AmSdp.cpp

@@ -568,7 +568,7 @@ static bool parse_sdp_line_ex(AmSdp* sdp_msg, char*& s)
 
   char* next=0;
   size_t line_len = 0;
-  register parse_st state;
+  parse_st state;
 
   /* default state */
   state=SDP_DESCR;
@@ -754,7 +754,7 @@ static char* parse_sdp_connection(AmSdp* sdp_msg, char* s, char t)
     return next_line;
   }
 
-  register sdp_connection_st state;
+  sdp_connection_st state;
   state = NET_TYPE;
 
   /* DBG("parse_sdp_line_ex: parse_sdp_connection: parsing sdp connection\n"); */
@@ -835,7 +835,7 @@ static void parse_sdp_media(AmSdp* sdp_msg, char* s)
 {
   SdpMedia m;
   
-  register sdp_media_st state;
+  sdp_media_st state;
   state = MEDIA;
   int parsing = 1;
   char* media_line=s;
@@ -1035,8 +1035,8 @@ static char* parse_sdp_attr(AmSdp* sdp_msg, char* s)
 
   SdpPayload payload;
 
-  register sdp_attr_rtpmap_st rtpmap_st;
-  register sdp_attr_fmtp_st fmtp_st;
+  sdp_attr_rtpmap_st rtpmap_st;
+  sdp_attr_fmtp_st fmtp_st;
   rtpmap_st = TYPE;
   fmtp_st = FORMAT;
   char* attr_line=s;
@@ -1250,7 +1250,7 @@ static void parse_sdp_origin(AmSdp* sdp_msg, char* s)
   size_t line_len=0;
   line_end = skip_till_next_line(s, line_len);
 
-  register sdp_origin_st origin_st;
+  sdp_origin_st origin_st;
   origin_st = USER;
   int parsing = 1;